Home / 130,233.60-195,196.80-97,363.20

Finding the Fourth Proportional to 130,233.60, 195,196.80 and 97,363.20

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Solution

The fourth proportional to 130,233.60, 195,196.80 and 97,363.20 is: 145,929.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,233.60 : 195,196.80 = 97,363.20 : x
  2. Step 2: Convert to fraction form
    130,233.60/195,196.80 = 97,363.20/x
  3. Step 3: Cross multiply
    130,233.60x = 195,196.80 × 97,363.20
  4. Step 4: Simplify right side
    130,233.60x = 19,004,985,077.76
  5. Step 5: Solve for x
    x = 19,004,985,077.76/130,233.60
  6. Step 6: Final answer
    x = 145,929.97

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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.