Home / 355,397.80-533,189.02-106,079.72

Finding the Fourth Proportional to 355,397.80, 533,189.02 and 106,079.72

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Solution

The fourth proportional to 355,397.80, 533,189.02 and 106,079.72 is: 159,147.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,397.80 : 533,189.02 = 106,079.72 : x
  2. Step 2: Convert to fraction form
    355,397.80/533,189.02 = 106,079.72/x
  3. Step 3: Cross multiply
    355,397.80x = 533,189.02 × 106,079.72
  4. Step 4: Simplify right side
    355,397.80x = 56,560,541,948.67
  5. Step 5: Solve for x
    x = 56,560,541,948.67/355,397.80
  6. Step 6: Final answer
    x = 159,147.14

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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.