Home / 130,001.50-195,002.25-31,505.50

Finding the Fourth Proportional to 130,001.50, 195,002.25 and 31,505.50

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Solution

The fourth proportional to 130,001.50, 195,002.25 and 31,505.50 is: 47,258.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,001.50 : 195,002.25 = 31,505.50 : x
  2. Step 2: Convert to fraction form
    130,001.50/195,002.25 = 31,505.50/x
  3. Step 3: Cross multiply
    130,001.50x = 195,002.25 × 31,505.50
  4. Step 4: Simplify right side
    130,001.50x = 6,143,643,387.38
  5. Step 5: Solve for x
    x = 6,143,643,387.38/130,001.50
  6. Step 6: Final answer
    x = 47,258.25

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1.5x scale

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.