Home / 116,702.91-175,065.23-90,437.04

Finding the Fourth Proportional to 116,702.91, 175,065.23 and 90,437.04

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Solution

The fourth proportional to 116,702.91, 175,065.23 and 90,437.04 is: 135,663.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,702.91 : 175,065.23 = 90,437.04 : x
  2. Step 2: Convert to fraction form
    116,702.91/175,065.23 = 90,437.04/x
  3. Step 3: Cross multiply
    116,702.91x = 175,065.23 × 90,437.04
  4. Step 4: Simplify right side
    116,702.91x = 15,832,381,208.12
  5. Step 5: Solve for x
    x = 15,832,381,208.12/116,702.91
  6. Step 6: Final answer
    x = 135,663.98

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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.