Home / 191,939.04-287,908.56-58,818.78

Finding the Fourth Proportional to 191,939.04, 287,908.56 and 58,818.78

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Solution

The fourth proportional to 191,939.04, 287,908.56 and 58,818.78 is: 88,228.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,939.04 : 287,908.56 = 58,818.78 : x
  2. Step 2: Convert to fraction form
    191,939.04/287,908.56 = 58,818.78/x
  3. Step 3: Cross multiply
    191,939.04x = 287,908.56 × 58,818.78
  4. Step 4: Simplify right side
    191,939.04x = 16,934,430,250.76
  5. Step 5: Solve for x
    x = 16,934,430,250.76/191,939.04
  6. Step 6: Final answer
    x = 88,228.17

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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.