Home / 161,530.83-222,885.95-89,909.01

Finding the Fourth Proportional to 161,530.83, 222,885.95 and 89,909.01

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Solution

The fourth proportional to 161,530.83, 222,885.95 and 89,909.01 is: 124,059.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,530.83 : 222,885.95 = 89,909.01 : x
  2. Step 2: Convert to fraction form
    161,530.83/222,885.95 = 89,909.01/x
  3. Step 3: Cross multiply
    161,530.83x = 222,885.95 × 89,909.01
  4. Step 4: Simplify right side
    161,530.83x = 20,039,454,657.86
  5. Step 5: Solve for x
    x = 20,039,454,657.86/161,530.83
  6. Step 6: Final answer
    x = 124,059.63

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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.