Home / 157,207.17-216,950.43-85,588.41

Finding the Fourth Proportional to 157,207.17, 216,950.43 and 85,588.41

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Solution

The fourth proportional to 157,207.17, 216,950.43 and 85,588.41 is: 118,114.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,207.17 : 216,950.43 = 85,588.41 : x
  2. Step 2: Convert to fraction form
    157,207.17/216,950.43 = 85,588.41/x
  3. Step 3: Cross multiply
    157,207.17x = 216,950.43 × 85,588.41
  4. Step 4: Simplify right side
    157,207.17x = 18,568,442,352.52
  5. Step 5: Solve for x
    x = 18,568,442,352.52/157,207.17
  6. Step 6: Final answer
    x = 118,114.48

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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.