Home / 120,448.32-180,663.84-37,340.16

Finding the Fourth Proportional to 120,448.32, 180,663.84 and 37,340.16

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Solution

The fourth proportional to 120,448.32, 180,663.84 and 37,340.16 is: 56,007.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,448.32 : 180,663.84 = 37,340.16 : x
  2. Step 2: Convert to fraction form
    120,448.32/180,663.84 = 37,340.16/x
  3. Step 3: Cross multiply
    120,448.32x = 180,663.84 × 37,340.16
  4. Step 4: Simplify right side
    120,448.32x = 6,746,016,691.81
  5. Step 5: Solve for x
    x = 6,746,016,691.81/120,448.32
  6. Step 6: Final answer
    x = 56,007.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.