Home / 130,153.80-195,101.10-59,910.60

Finding the Fourth Proportional to 130,153.80, 195,101.10 and 59,910.60

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Solution

The fourth proportional to 130,153.80, 195,101.10 and 59,910.60 is: 89,806.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,153.80 : 195,101.10 = 59,910.60 : x
  2. Step 2: Convert to fraction form
    130,153.80/195,101.10 = 59,910.60/x
  3. Step 3: Cross multiply
    130,153.80x = 195,101.10 × 59,910.60
  4. Step 4: Simplify right side
    130,153.80x = 11,688,623,961.66
  5. Step 5: Solve for x
    x = 11,688,623,961.66/130,153.80
  6. Step 6: Final answer
    x = 89,806.24

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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.