Home / 131,622.87-197,434.16-42,876.24

Finding the Fourth Proportional to 131,622.87, 197,434.16 and 42,876.24

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Solution

The fourth proportional to 131,622.87, 197,434.16 and 42,876.24 is: 64,314.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,622.87 : 197,434.16 = 42,876.24 : x
  2. Step 2: Convert to fraction form
    131,622.87/197,434.16 = 42,876.24/x
  3. Step 3: Cross multiply
    131,622.87x = 197,434.16 × 42,876.24
  4. Step 4: Simplify right side
    131,622.87x = 8,465,233,226.81
  5. Step 5: Solve for x
    x = 8,465,233,226.81/131,622.87
  6. Step 6: Final answer
    x = 64,314.30

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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.