Home / 161,113.07-222,335.92-89,499.76

Finding the Fourth Proportional to 161,113.07, 222,335.92 and 89,499.76

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Solution

The fourth proportional to 161,113.07, 222,335.92 and 89,499.76 is: 123,509.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,113.07 : 222,335.92 = 89,499.76 : x
  2. Step 2: Convert to fraction form
    161,113.07/222,335.92 = 89,499.76/x
  3. Step 3: Cross multiply
    161,113.07x = 222,335.92 × 89,499.76
  4. Step 4: Simplify right side
    161,113.07x = 19,899,011,479.38
  5. Step 5: Solve for x
    x = 19,899,011,479.38/161,113.07
  6. Step 6: Final answer
    x = 123,509.60

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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.