Home / 161,539.10-222,931.30-89,923.66

Finding the Fourth Proportional to 161,539.10, 222,931.30 and 89,923.66

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Solution

The fourth proportional to 161,539.10, 222,931.30 and 89,923.66 is: 124,098.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,539.10 : 222,931.30 = 89,923.66 : x
  2. Step 2: Convert to fraction form
    161,539.10/222,931.30 = 89,923.66/x
  3. Step 3: Cross multiply
    161,539.10x = 222,931.30 × 89,923.66
  4. Step 4: Simplify right side
    161,539.10x = 20,046,798,424.56
  5. Step 5: Solve for x
    x = 20,046,798,424.56/161,539.10
  6. Step 6: Final answer
    x = 124,098.74

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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.