Home / 191,631.65-287,229.50-116,586.37

Finding the Fourth Proportional to 191,631.65, 287,229.50 and 116,586.37

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Solution

The fourth proportional to 191,631.65, 287,229.50 and 116,586.37 is: 174,746.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,631.65 : 287,229.50 = 116,586.37 : x
  2. Step 2: Convert to fraction form
    191,631.65/287,229.50 = 116,586.37/x
  3. Step 3: Cross multiply
    191,631.65x = 287,229.50 × 116,586.37
  4. Step 4: Simplify right side
    191,631.65x = 33,487,044,761.92
  5. Step 5: Solve for x
    x = 33,487,044,761.92/191,631.65
  6. Step 6: Final answer
    x = 174,746.94

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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.