Home / 147,101.17-220,441.26-83,790.60

Finding the Fourth Proportional to 147,101.17, 220,441.26 and 83,790.60

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Solution

The fourth proportional to 147,101.17, 220,441.26 and 83,790.60 is: 125,566.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,101.17 : 220,441.26 = 83,790.60 : x
  2. Step 2: Convert to fraction form
    147,101.17/220,441.26 = 83,790.60/x
  3. Step 3: Cross multiply
    147,101.17x = 220,441.26 × 83,790.60
  4. Step 4: Simplify right side
    147,101.17x = 18,470,905,440.16
  5. Step 5: Solve for x
    x = 18,470,905,440.16/147,101.17
  6. Step 6: Final answer
    x = 125,566.00

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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.