Home / 292,987.34-439,335.57-93,281.75

Finding the Fourth Proportional to 292,987.34, 439,335.57 and 93,281.75

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Solution

The fourth proportional to 292,987.34, 439,335.57 and 93,281.75 is: 139,876.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,987.34 : 439,335.57 = 93,281.75 : x
  2. Step 2: Convert to fraction form
    292,987.34/439,335.57 = 93,281.75/x
  3. Step 3: Cross multiply
    292,987.34x = 439,335.57 × 93,281.75
  4. Step 4: Simplify right side
    292,987.34x = 40,981,990,806.85
  5. Step 5: Solve for x
    x = 40,981,990,806.85/292,987.34
  6. Step 6: Final answer
    x = 139,876.32

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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.