Home / 131,768.13-197,689.14-52,937.71

Finding the Fourth Proportional to 131,768.13, 197,689.14 and 52,937.71

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Solution

The fourth proportional to 131,768.13, 197,689.14 and 52,937.71 is: 79,421.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,768.13 : 197,689.14 = 52,937.71 : x
  2. Step 2: Convert to fraction form
    131,768.13/197,689.14 = 52,937.71/x
  3. Step 3: Cross multiply
    131,768.13x = 197,689.14 × 52,937.71
  4. Step 4: Simplify right side
    131,768.13x = 10,465,210,363.47
  5. Step 5: Solve for x
    x = 10,465,210,363.47/131,768.13
  6. Step 6: Final answer
    x = 79,421.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.