Home / 147,237.72-220,922.18-77,100.63

Finding the Fourth Proportional to 147,237.72, 220,922.18 and 77,100.63

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Solution

The fourth proportional to 147,237.72, 220,922.18 and 77,100.63 is: 115,685.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,237.72 : 220,922.18 = 77,100.63 : x
  2. Step 2: Convert to fraction form
    147,237.72/220,922.18 = 77,100.63/x
  3. Step 3: Cross multiply
    147,237.72x = 220,922.18 × 77,100.63
  4. Step 4: Simplify right side
    147,237.72x = 17,033,239,258.97
  5. Step 5: Solve for x
    x = 17,033,239,258.97/147,237.72
  6. Step 6: Final answer
    x = 115,685.30

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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.