Home / 214,585.20-296,111.16-123,899.76

Finding the Fourth Proportional to 214,585.20, 296,111.16 and 123,899.76

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Solution

The fourth proportional to 214,585.20, 296,111.16 and 123,899.76 is: 170,972.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,585.20 : 296,111.16 = 123,899.76 : x
  2. Step 2: Convert to fraction form
    214,585.20/296,111.16 = 123,899.76/x
  3. Step 3: Cross multiply
    214,585.20x = 296,111.16 × 123,899.76
  4. Step 4: Simplify right side
    214,585.20x = 36,688,101,657.32
  5. Step 5: Solve for x
    x = 36,688,101,657.32/214,585.20
  6. Step 6: Final answer
    x = 170,972.19

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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.