Home / 130,001.12-195,016.32-51,104.96

Finding the Fourth Proportional to 130,001.12, 195,016.32 and 51,104.96

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Solution

The fourth proportional to 130,001.12, 195,016.32 and 51,104.96 is: 76,663.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,001.12 : 195,016.32 = 51,104.96 : x
  2. Step 2: Convert to fraction form
    130,001.12/195,016.32 = 51,104.96/x
  3. Step 3: Cross multiply
    130,001.12x = 195,016.32 × 51,104.96
  4. Step 4: Simplify right side
    130,001.12x = 9,966,301,232.95
  5. Step 5: Solve for x
    x = 9,966,301,232.95/130,001.12
  6. Step 6: Final answer
    x = 76,663.20

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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.