Home / 191,269.08-287,034.18-66,610.04

Finding the Fourth Proportional to 191,269.08, 287,034.18 and 66,610.04

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Solution

The fourth proportional to 191,269.08, 287,034.18 and 66,610.04 is: 99,960.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,269.08 : 287,034.18 = 66,610.04 : x
  2. Step 2: Convert to fraction form
    191,269.08/287,034.18 = 66,610.04/x
  3. Step 3: Cross multiply
    191,269.08x = 287,034.18 × 66,610.04
  4. Step 4: Simplify right side
    191,269.08x = 19,119,358,211.17
  5. Step 5: Solve for x
    x = 19,119,358,211.17/191,269.08
  6. Step 6: Final answer
    x = 99,960.53

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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.