Home / 227,318.16-313,637.52-129,200.04

Finding the Fourth Proportional to 227,318.16, 313,637.52 and 129,200.04

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Solution

The fourth proportional to 227,318.16, 313,637.52 and 129,200.04 is: 178,261.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,318.16 : 313,637.52 = 129,200.04 : x
  2. Step 2: Convert to fraction form
    227,318.16/313,637.52 = 129,200.04/x
  3. Step 3: Cross multiply
    227,318.16x = 313,637.52 × 129,200.04
  4. Step 4: Simplify right side
    227,318.16x = 40,521,980,129.50
  5. Step 5: Solve for x
    x = 40,521,980,129.50/227,318.16
  6. Step 6: Final answer
    x = 178,261.08

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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.