Home / 157,447.12-217,281.44-96,203.28

Finding the Fourth Proportional to 157,447.12, 217,281.44 and 96,203.28

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Solution

The fourth proportional to 157,447.12, 217,281.44 and 96,203.28 is: 132,763.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,447.12 : 217,281.44 = 96,203.28 : x
  2. Step 2: Convert to fraction form
    157,447.12/217,281.44 = 96,203.28/x
  3. Step 3: Cross multiply
    157,447.12x = 217,281.44 × 96,203.28
  4. Step 4: Simplify right side
    157,447.12x = 20,903,187,211.12
  5. Step 5: Solve for x
    x = 20,903,187,211.12/157,447.12
  6. Step 6: Final answer
    x = 132,763.22

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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.