Home / 131,445.10-197,167.65-89,454.70

Finding the Fourth Proportional to 131,445.10, 197,167.65 and 89,454.70

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Solution

The fourth proportional to 131,445.10, 197,167.65 and 89,454.70 is: 134,182.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,445.10 : 197,167.65 = 89,454.70 : x
  2. Step 2: Convert to fraction form
    131,445.10/197,167.65 = 89,454.70/x
  3. Step 3: Cross multiply
    131,445.10x = 197,167.65 × 89,454.70
  4. Step 4: Simplify right side
    131,445.10x = 17,637,572,980.46
  5. Step 5: Solve for x
    x = 17,637,572,980.46/131,445.10
  6. Step 6: Final answer
    x = 134,182.05

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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.