Home / 175,987.28-242,875.32-100,534.16

Finding the Fourth Proportional to 175,987.28, 242,875.32 and 100,534.16

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Solution

The fourth proportional to 175,987.28, 242,875.32 and 100,534.16 is: 138,744.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,987.28 : 242,875.32 = 100,534.16 : x
  2. Step 2: Convert to fraction form
    175,987.28/242,875.32 = 100,534.16/x
  3. Step 3: Cross multiply
    175,987.28x = 242,875.32 × 100,534.16
  4. Step 4: Simplify right side
    175,987.28x = 24,417,266,280.93
  5. Step 5: Solve for x
    x = 24,417,266,280.93/175,987.28
  6. Step 6: Final answer
    x = 138,744.49

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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.