Home / 191,363.08-287,059.20-58,254.72

Finding the Fourth Proportional to 191,363.08, 287,059.20 and 58,254.72

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Solution

The fourth proportional to 191,363.08, 287,059.20 and 58,254.72 is: 87,386.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,363.08 : 287,059.20 = 58,254.72 : x
  2. Step 2: Convert to fraction form
    191,363.08/287,059.20 = 58,254.72/x
  3. Step 3: Cross multiply
    191,363.08x = 287,059.20 × 58,254.72
  4. Step 4: Simplify right side
    191,363.08x = 16,722,553,319.42
  5. Step 5: Solve for x
    x = 16,722,553,319.42/191,363.08
  6. Step 6: Final answer
    x = 87,386.52

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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.