Home / 131,098.48-180,819.13-97,108.40

Finding the Fourth Proportional to 131,098.48, 180,819.13 and 97,108.40

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Solution

The fourth proportional to 131,098.48, 180,819.13 and 97,108.40 is: 133,937.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,098.48 : 180,819.13 = 97,108.40 : x
  2. Step 2: Convert to fraction form
    131,098.48/180,819.13 = 97,108.40/x
  3. Step 3: Cross multiply
    131,098.48x = 180,819.13 × 97,108.40
  4. Step 4: Simplify right side
    131,098.48x = 17,559,056,403.69
  5. Step 5: Solve for x
    x = 17,559,056,403.69/131,098.48
  6. Step 6: Final answer
    x = 133,937.91

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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.