Home / 191,887.20-287,852.40-58,766.40

Finding the Fourth Proportional to 191,887.20, 287,852.40 and 58,766.40

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Solution

The fourth proportional to 191,887.20, 287,852.40 and 58,766.40 is: 88,156.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,887.20 : 287,852.40 = 58,766.40 : x
  2. Step 2: Convert to fraction form
    191,887.20/287,852.40 = 58,766.40/x
  3. Step 3: Cross multiply
    191,887.20x = 287,852.40 × 58,766.40
  4. Step 4: Simplify right side
    191,887.20x = 16,916,049,279.36
  5. Step 5: Solve for x
    x = 16,916,049,279.36/191,887.20
  6. Step 6: Final answer
    x = 88,156.22

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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.