Home / 157,614.12-217,506.69-85,993.92

Finding the Fourth Proportional to 157,614.12, 217,506.69 and 85,993.92

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Solution

The fourth proportional to 157,614.12, 217,506.69 and 85,993.92 is: 118,671.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,614.12 : 217,506.69 = 85,993.92 : x
  2. Step 2: Convert to fraction form
    157,614.12/217,506.69 = 85,993.92/x
  3. Step 3: Cross multiply
    157,614.12x = 217,506.69 × 85,993.92
  4. Step 4: Simplify right side
    157,614.12x = 18,704,252,899.32
  5. Step 5: Solve for x
    x = 18,704,252,899.32/157,614.12
  6. Step 6: Final answer
    x = 118,671.18

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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.