Home / 131,363.60-197,045.40-89,373.20

Finding the Fourth Proportional to 131,363.60, 197,045.40 and 89,373.20

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Solution

The fourth proportional to 131,363.60, 197,045.40 and 89,373.20 is: 134,059.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,363.60 : 197,045.40 = 89,373.20 : x
  2. Step 2: Convert to fraction form
    131,363.60/197,045.40 = 89,373.20/x
  3. Step 3: Cross multiply
    131,363.60x = 197,045.40 × 89,373.20
  4. Step 4: Simplify right side
    131,363.60x = 17,610,577,943.28
  5. Step 5: Solve for x
    x = 17,610,577,943.28/131,363.60
  6. Step 6: Final answer
    x = 134,059.80

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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.