Home / 147,340.80-221,123.52-107,998.56

Finding the Fourth Proportional to 147,340.80, 221,123.52 and 107,998.56

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Solution

The fourth proportional to 147,340.80, 221,123.52 and 107,998.56 is: 162,080.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,340.80 : 221,123.52 = 107,998.56 : x
  2. Step 2: Convert to fraction form
    147,340.80/221,123.52 = 107,998.56/x
  3. Step 3: Cross multiply
    147,340.80x = 221,123.52 × 107,998.56
  4. Step 4: Simplify right side
    147,340.80x = 23,881,021,742.13
  5. Step 5: Solve for x
    x = 23,881,021,742.13/147,340.80
  6. Step 6: Final answer
    x = 162,080.17

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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.