Home / 124,565.20-186,847.80-121,284.70

Finding the Fourth Proportional to 124,565.20, 186,847.80 and 121,284.70

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Solution

The fourth proportional to 124,565.20, 186,847.80 and 121,284.70 is: 181,927.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,565.20 : 186,847.80 = 121,284.70 : x
  2. Step 2: Convert to fraction form
    124,565.20/186,847.80 = 121,284.70/x
  3. Step 3: Cross multiply
    124,565.20x = 186,847.80 × 121,284.70
  4. Step 4: Simplify right side
    124,565.20x = 22,661,779,368.66
  5. Step 5: Solve for x
    x = 22,661,779,368.66/124,565.20
  6. Step 6: Final answer
    x = 181,927.05

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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.