Home / 432,276.52-648,412.86-116,765.80

Finding the Fourth Proportional to 432,276.52, 648,412.86 and 116,765.80

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Solution

The fourth proportional to 432,276.52, 648,412.86 and 116,765.80 is: 175,148.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,276.52 : 648,412.86 = 116,765.80 : x
  2. Step 2: Convert to fraction form
    432,276.52/648,412.86 = 116,765.80/x
  3. Step 3: Cross multiply
    432,276.52x = 648,412.86 × 116,765.80
  4. Step 4: Simplify right side
    432,276.52x = 75,712,446,328.19
  5. Step 5: Solve for x
    x = 75,712,446,328.19/432,276.52
  6. Step 6: Final answer
    x = 175,148.18

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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.