Home / 180,627.17-270,842.11-143,426.21

Finding the Fourth Proportional to 180,627.17, 270,842.11 and 143,426.21

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Solution

The fourth proportional to 180,627.17, 270,842.11 and 143,426.21 is: 215,060.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,627.17 : 270,842.11 = 143,426.21 : x
  2. Step 2: Convert to fraction form
    180,627.17/270,842.11 = 143,426.21/x
  3. Step 3: Cross multiply
    180,627.17x = 270,842.11 × 143,426.21
  4. Step 4: Simplify right side
    180,627.17x = 38,845,855,632.93
  5. Step 5: Solve for x
    x = 38,845,855,632.93/180,627.17
  6. Step 6: Final answer
    x = 215,060.98

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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.