Home / 437,223.39-656,025.69-153,117.75

Finding the Fourth Proportional to 437,223.39, 656,025.69 and 153,117.75

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Solution

The fourth proportional to 437,223.39, 656,025.69 and 153,117.75 is: 229,743.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,223.39 : 656,025.69 = 153,117.75 : x
  2. Step 2: Convert to fraction form
    437,223.39/656,025.69 = 153,117.75/x
  3. Step 3: Cross multiply
    437,223.39x = 656,025.69 × 153,117.75
  4. Step 4: Simplify right side
    437,223.39x = 100,449,177,595.00
  5. Step 5: Solve for x
    x = 100,449,177,595.00/437,223.39
  6. Step 6: Final answer
    x = 229,743.38

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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.