Home / 191,590.10-287,385.16-58,471.04

Finding the Fourth Proportional to 191,590.10, 287,385.16 and 58,471.04

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Solution

The fourth proportional to 191,590.10, 287,385.16 and 58,471.04 is: 87,706.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,590.10 : 287,385.16 = 58,471.04 : x
  2. Step 2: Convert to fraction form
    191,590.10/287,385.16 = 58,471.04/x
  3. Step 3: Cross multiply
    191,590.10x = 287,385.16 × 58,471.04
  4. Step 4: Simplify right side
    191,590.10x = 16,803,709,185.77
  5. Step 5: Solve for x
    x = 16,803,709,185.77/191,590.10
  6. Step 6: Final answer
    x = 87,706.56

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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.