Home / 325,048.11-487,613.61-125,425.50

Finding the Fourth Proportional to 325,048.11, 487,613.61 and 125,425.50

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Solution

The fourth proportional to 325,048.11, 487,613.61 and 125,425.50 is: 188,154.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,048.11 : 487,613.61 = 125,425.50 : x
  2. Step 2: Convert to fraction form
    325,048.11/487,613.61 = 125,425.50/x
  3. Step 3: Cross multiply
    325,048.11x = 487,613.61 × 125,425.50
  4. Step 4: Simplify right side
    325,048.11x = 61,159,180,841.06
  5. Step 5: Solve for x
    x = 61,159,180,841.06/325,048.11
  6. Step 6: Final answer
    x = 188,154.24

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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.