Home / 160,534.20-240,801.30-118,543.80

Finding the Fourth Proportional to 160,534.20, 240,801.30 and 118,543.80

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Solution

The fourth proportional to 160,534.20, 240,801.30 and 118,543.80 is: 177,815.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,534.20 : 240,801.30 = 118,543.80 : x
  2. Step 2: Convert to fraction form
    160,534.20/240,801.30 = 118,543.80/x
  3. Step 3: Cross multiply
    160,534.20x = 240,801.30 × 118,543.80
  4. Step 4: Simplify right side
    160,534.20x = 28,545,501,146.94
  5. Step 5: Solve for x
    x = 28,545,501,146.94/160,534.20
  6. Step 6: Final answer
    x = 177,815.70

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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.