Home / 157,184.94-216,937.62-89,218.74

Finding the Fourth Proportional to 157,184.94, 216,937.62 and 89,218.74

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Solution

The fourth proportional to 157,184.94, 216,937.62 and 89,218.74 is: 123,134.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,184.94 : 216,937.62 = 89,218.74 : x
  2. Step 2: Convert to fraction form
    157,184.94/216,937.62 = 89,218.74/x
  3. Step 3: Cross multiply
    157,184.94x = 216,937.62 × 89,218.74
  4. Step 4: Simplify right side
    157,184.94x = 19,354,901,115.00
  5. Step 5: Solve for x
    x = 19,354,901,115.00/157,184.94
  6. Step 6: Final answer
    x = 123,134.58

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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.