Home / 257,192.04-354,867.66-155,234.28

Finding the Fourth Proportional to 257,192.04, 354,867.66 and 155,234.28

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Solution

The fourth proportional to 257,192.04, 354,867.66 and 155,234.28 is: 214,188.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,192.04 : 354,867.66 = 155,234.28 : x
  2. Step 2: Convert to fraction form
    257,192.04/354,867.66 = 155,234.28/x
  3. Step 3: Cross multiply
    257,192.04x = 354,867.66 × 155,234.28
  4. Step 4: Simplify right side
    257,192.04x = 55,087,625,695.38
  5. Step 5: Solve for x
    x = 55,087,625,695.38/257,192.04
  6. Step 6: Final answer
    x = 214,188.69

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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.