Home / 152,901.47-211,035.08-88,373.45

Finding the Fourth Proportional to 152,901.47, 211,035.08 and 88,373.45

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Solution

The fourth proportional to 152,901.47, 211,035.08 and 88,373.45 is: 121,973.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,901.47 : 211,035.08 = 88,373.45 : x
  2. Step 2: Convert to fraction form
    152,901.47/211,035.08 = 88,373.45/x
  3. Step 3: Cross multiply
    152,901.47x = 211,035.08 × 88,373.45
  4. Step 4: Simplify right side
    152,901.47x = 18,649,898,090.63
  5. Step 5: Solve for x
    x = 18,649,898,090.63/152,901.47
  6. Step 6: Final answer
    x = 121,973.31

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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.