Home / 355,011.48-532,402.20-118,290.60

Finding the Fourth Proportional to 355,011.48, 532,402.20 and 118,290.60

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Solution

The fourth proportional to 355,011.48, 532,402.20 and 118,290.60 is: 177,397.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,011.48 : 532,402.20 = 118,290.60 : x
  2. Step 2: Convert to fraction form
    355,011.48/532,402.20 = 118,290.60/x
  3. Step 3: Cross multiply
    355,011.48x = 532,402.20 × 118,290.60
  4. Step 4: Simplify right side
    355,011.48x = 62,978,175,679.32
  5. Step 5: Solve for x
    x = 62,978,175,679.32/355,011.48
  6. Step 6: Final answer
    x = 177,397.58

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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.