Home / 292,275.20-438,424.95-92,591.17

Finding the Fourth Proportional to 292,275.20, 438,424.95 and 92,591.17

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Solution

The fourth proportional to 292,275.20, 438,424.95 and 92,591.17 is: 138,890.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,275.20 : 438,424.95 = 92,591.17 : x
  2. Step 2: Convert to fraction form
    292,275.20/438,424.95 = 92,591.17/x
  3. Step 3: Cross multiply
    292,275.20x = 438,424.95 × 92,591.17
  4. Step 4: Simplify right side
    292,275.20x = 40,594,276,885.57
  5. Step 5: Solve for x
    x = 40,594,276,885.57/292,275.20
  6. Step 6: Final answer
    x = 138,890.60

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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.