Home / 370,318.08-555,505.92-121,025.28

Finding the Fourth Proportional to 370,318.08, 555,505.92 and 121,025.28

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Solution

The fourth proportional to 370,318.08, 555,505.92 and 121,025.28 is: 181,547.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,318.08 : 555,505.92 = 121,025.28 : x
  2. Step 2: Convert to fraction form
    370,318.08/555,505.92 = 121,025.28/x
  3. Step 3: Cross multiply
    370,318.08x = 555,505.92 × 121,025.28
  4. Step 4: Simplify right side
    370,318.08x = 67,230,259,509.66
  5. Step 5: Solve for x
    x = 67,230,259,509.66/370,318.08
  6. Step 6: Final answer
    x = 181,547.33

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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.