Home / 147,088.56-202,976.28-83,424.96

Finding the Fourth Proportional to 147,088.56, 202,976.28 and 83,424.96

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Solution

The fourth proportional to 147,088.56, 202,976.28 and 83,424.96 is: 115,123.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,088.56 : 202,976.28 = 83,424.96 : x
  2. Step 2: Convert to fraction form
    147,088.56/202,976.28 = 83,424.96/x
  3. Step 3: Cross multiply
    147,088.56x = 202,976.28 × 83,424.96
  4. Step 4: Simplify right side
    147,088.56x = 16,933,288,039.95
  5. Step 5: Solve for x
    x = 16,933,288,039.95/147,088.56
  6. Step 6: Final answer
    x = 115,123.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.