Home / 317,140.52-437,654.04-173,897.60

Finding the Fourth Proportional to 317,140.52, 437,654.04 and 173,897.60

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Solution

The fourth proportional to 317,140.52, 437,654.04 and 173,897.60 is: 239,978.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,140.52 : 437,654.04 = 173,897.60 : x
  2. Step 2: Convert to fraction form
    317,140.52/437,654.04 = 173,897.60/x
  3. Step 3: Cross multiply
    317,140.52x = 437,654.04 × 173,897.60
  4. Step 4: Simplify right side
    317,140.52x = 76,106,987,186.30
  5. Step 5: Solve for x
    x = 76,106,987,186.30/317,140.52
  6. Step 6: Final answer
    x = 239,978.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.