Home / 121,147.32-181,728.27-38,041.32

Finding the Fourth Proportional to 121,147.32, 181,728.27 and 38,041.32

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Solution

The fourth proportional to 121,147.32, 181,728.27 and 38,041.32 is: 57,064.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,147.32 : 181,728.27 = 38,041.32 : x
  2. Step 2: Convert to fraction form
    121,147.32/181,728.27 = 38,041.32/x
  3. Step 3: Cross multiply
    121,147.32x = 181,728.27 × 38,041.32
  4. Step 4: Simplify right side
    121,147.32x = 6,913,183,272.12
  5. Step 5: Solve for x
    x = 6,913,183,272.12/121,147.32
  6. Step 6: Final answer
    x = 57,064.27

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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.