Home / 102,230.04-141,084.29-61,947.78

Finding the Fourth Proportional to 102,230.04, 141,084.29 and 61,947.78

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Solution

The fourth proportional to 102,230.04, 141,084.29 and 61,947.78 is: 85,492.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,230.04 : 141,084.29 = 61,947.78 : x
  2. Step 2: Convert to fraction form
    102,230.04/141,084.29 = 61,947.78/x
  3. Step 3: Cross multiply
    102,230.04x = 141,084.29 × 61,947.78
  4. Step 4: Simplify right side
    102,230.04x = 8,739,858,558.38
  5. Step 5: Solve for x
    x = 8,739,858,558.38/102,230.04
  6. Step 6: Final answer
    x = 85,492.08

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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.