Home / 242,636.27-334,839.36-140,722.13

Finding the Fourth Proportional to 242,636.27, 334,839.36 and 140,722.13

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Solution

The fourth proportional to 242,636.27, 334,839.36 and 140,722.13 is: 194,197.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,636.27 : 334,839.36 = 140,722.13 : x
  2. Step 2: Convert to fraction form
    242,636.27/334,839.36 = 140,722.13/x
  3. Step 3: Cross multiply
    242,636.27x = 334,839.36 × 140,722.13
  4. Step 4: Simplify right side
    242,636.27x = 47,119,306,272.84
  5. Step 5: Solve for x
    x = 47,119,306,272.84/242,636.27
  6. Step 6: Final answer
    x = 194,197.29

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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.