Home / 292,339.61-438,470.46-92,680.18

Finding the Fourth Proportional to 292,339.61, 438,470.46 and 92,680.18

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Solution

The fourth proportional to 292,339.61, 438,470.46 and 92,680.18 is: 139,007.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,339.61 : 438,470.46 = 92,680.18 : x
  2. Step 2: Convert to fraction form
    292,339.61/438,470.46 = 92,680.18/x
  3. Step 3: Cross multiply
    292,339.61x = 438,470.46 × 92,680.18
  4. Step 4: Simplify right side
    292,339.61x = 40,637,521,705.57
  5. Step 5: Solve for x
    x = 40,637,521,705.57/292,339.61
  6. Step 6: Final answer
    x = 139,007.92

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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.