Home / 229,375.08-316,535.04-127,401.48

Finding the Fourth Proportional to 229,375.08, 316,535.04 and 127,401.48

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Solution

The fourth proportional to 229,375.08, 316,535.04 and 127,401.48 is: 175,812.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,375.08 : 316,535.04 = 127,401.48 : x
  2. Step 2: Convert to fraction form
    229,375.08/316,535.04 = 127,401.48/x
  3. Step 3: Cross multiply
    229,375.08x = 316,535.04 × 127,401.48
  4. Step 4: Simplify right side
    229,375.08x = 40,327,032,567.86
  5. Step 5: Solve for x
    x = 40,327,032,567.86/229,375.08
  6. Step 6: Final answer
    x = 175,812.61

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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.