Home / 155,832.06-234,170.17-84,807.21

Finding the Fourth Proportional to 155,832.06, 234,170.17 and 84,807.21

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Solution

The fourth proportional to 155,832.06, 234,170.17 and 84,807.21 is: 127,440.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,832.06 : 234,170.17 = 84,807.21 : x
  2. Step 2: Convert to fraction form
    155,832.06/234,170.17 = 84,807.21/x
  3. Step 3: Cross multiply
    155,832.06x = 234,170.17 × 84,807.21
  4. Step 4: Simplify right side
    155,832.06x = 19,859,318,570.91
  5. Step 5: Solve for x
    x = 19,859,318,570.91/155,832.06
  6. Step 6: Final answer
    x = 127,440.52

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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.