Home / 157,785.12-217,751.63-96,512.10

Finding the Fourth Proportional to 157,785.12, 217,751.63 and 96,512.10

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Solution

The fourth proportional to 157,785.12, 217,751.63 and 96,512.10 is: 133,191.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,785.12 : 217,751.63 = 96,512.10 : x
  2. Step 2: Convert to fraction form
    157,785.12/217,751.63 = 96,512.10/x
  3. Step 3: Cross multiply
    157,785.12x = 217,751.63 × 96,512.10
  4. Step 4: Simplify right side
    157,785.12x = 21,015,666,607.16
  5. Step 5: Solve for x
    x = 21,015,666,607.16/157,785.12
  6. Step 6: Final answer
    x = 133,191.69

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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.