Home / 121,723.60-182,585.40-38,617.60

Finding the Fourth Proportional to 121,723.60, 182,585.40 and 38,617.60

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Solution

The fourth proportional to 121,723.60, 182,585.40 and 38,617.60 is: 57,926.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,723.60 : 182,585.40 = 38,617.60 : x
  2. Step 2: Convert to fraction form
    121,723.60/182,585.40 = 38,617.60/x
  3. Step 3: Cross multiply
    121,723.60x = 182,585.40 × 38,617.60
  4. Step 4: Simplify right side
    121,723.60x = 7,051,009,943.04
  5. Step 5: Solve for x
    x = 7,051,009,943.04/121,723.60
  6. Step 6: Final answer
    x = 57,926.40

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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.