Home / 151,682.04-209,319.72-83,699.64

Finding the Fourth Proportional to 151,682.04, 209,319.72 and 83,699.64

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Solution

The fourth proportional to 151,682.04, 209,319.72 and 83,699.64 is: 115,504.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,682.04 : 209,319.72 = 83,699.64 : x
  2. Step 2: Convert to fraction form
    151,682.04/209,319.72 = 83,699.64/x
  3. Step 3: Cross multiply
    151,682.04x = 209,319.72 × 83,699.64
  4. Step 4: Simplify right side
    151,682.04x = 17,519,985,208.90
  5. Step 5: Solve for x
    x = 17,519,985,208.90/151,682.04
  6. Step 6: Final answer
    x = 115,504.68

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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.