Home / 109,557.32-151,189.11-59,256.32

Finding the Fourth Proportional to 109,557.32, 151,189.11 and 59,256.32

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Solution

The fourth proportional to 109,557.32, 151,189.11 and 59,256.32 is: 81,773.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,557.32 : 151,189.11 = 59,256.32 : x
  2. Step 2: Convert to fraction form
    109,557.32/151,189.11 = 59,256.32/x
  3. Step 3: Cross multiply
    109,557.32x = 151,189.11 × 59,256.32
  4. Step 4: Simplify right side
    109,557.32x = 8,958,909,230.45
  5. Step 5: Solve for x
    x = 8,958,909,230.45/109,557.32
  6. Step 6: Final answer
    x = 81,773.72

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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.