Home / 151,525.98-209,130.48-91,157.63

Finding the Fourth Proportional to 151,525.98, 209,130.48 and 91,157.63

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Solution

The fourth proportional to 151,525.98, 209,130.48 and 91,157.63 is: 125,812.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,525.98 : 209,130.48 = 91,157.63 : x
  2. Step 2: Convert to fraction form
    151,525.98/209,130.48 = 91,157.63/x
  3. Step 3: Cross multiply
    151,525.98x = 209,130.48 × 91,157.63
  4. Step 4: Simplify right side
    151,525.98x = 19,063,837,871.91
  5. Step 5: Solve for x
    x = 19,063,837,871.91/151,525.98
  6. Step 6: Final answer
    x = 125,812.34

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.