Home / 157,836.15-217,759.86-89,836.11

Finding the Fourth Proportional to 157,836.15, 217,759.86 and 89,836.11

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Solution

The fourth proportional to 157,836.15, 217,759.86 and 89,836.11 is: 123,943.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,836.15 : 217,759.86 = 89,836.11 : x
  2. Step 2: Convert to fraction form
    157,836.15/217,759.86 = 89,836.11/x
  3. Step 3: Cross multiply
    157,836.15x = 217,759.86 × 89,836.11
  4. Step 4: Simplify right side
    157,836.15x = 19,562,698,736.54
  5. Step 5: Solve for x
    x = 19,562,698,736.54/157,836.15
  6. Step 6: Final answer
    x = 123,943.08

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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.