Home / 159,913.36-220,689.08-88,293.16

Finding the Fourth Proportional to 159,913.36, 220,689.08 and 88,293.16

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Solution

The fourth proportional to 159,913.36, 220,689.08 and 88,293.16 is: 121,849.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,913.36 : 220,689.08 = 88,293.16 : x
  2. Step 2: Convert to fraction form
    159,913.36/220,689.08 = 88,293.16/x
  3. Step 3: Cross multiply
    159,913.36x = 220,689.08 × 88,293.16
  4. Step 4: Simplify right side
    159,913.36x = 19,485,336,250.69
  5. Step 5: Solve for x
    x = 19,485,336,250.69/159,913.36
  6. Step 6: Final answer
    x = 121,849.33

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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.