Home / 147,226.38-203,178.51-83,570.10

Finding the Fourth Proportional to 147,226.38, 203,178.51 and 83,570.10

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Solution

The fourth proportional to 147,226.38, 203,178.51 and 83,570.10 is: 115,330.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,226.38 : 203,178.51 = 83,570.10 : x
  2. Step 2: Convert to fraction form
    147,226.38/203,178.51 = 83,570.10/x
  3. Step 3: Cross multiply
    147,226.38x = 203,178.51 × 83,570.10
  4. Step 4: Simplify right side
    147,226.38x = 16,979,648,398.55
  5. Step 5: Solve for x
    x = 16,979,648,398.55/147,226.38
  6. Step 6: Final answer
    x = 115,330.20

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1.5x scale

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.