Home / 161,113.28-222,326.76-89,491.52

Finding the Fourth Proportional to 161,113.28, 222,326.76 and 89,491.52

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Solution

The fourth proportional to 161,113.28, 222,326.76 and 89,491.52 is: 123,492.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,113.28 : 222,326.76 = 89,491.52 : x
  2. Step 2: Convert to fraction form
    161,113.28/222,326.76 = 89,491.52/x
  3. Step 3: Cross multiply
    161,113.28x = 222,326.76 × 89,491.52
  4. Step 4: Simplify right side
    161,113.28x = 19,896,359,689.08
  5. Step 5: Solve for x
    x = 19,896,359,689.08/161,113.28
  6. Step 6: Final answer
    x = 123,492.98

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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.