Home / 152,849.60-229,274.40-74,117.60

Finding the Fourth Proportional to 152,849.60, 229,274.40 and 74,117.60

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Solution

The fourth proportional to 152,849.60, 229,274.40 and 74,117.60 is: 111,176.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,849.60 : 229,274.40 = 74,117.60 : x
  2. Step 2: Convert to fraction form
    152,849.60/229,274.40 = 74,117.60/x
  3. Step 3: Cross multiply
    152,849.60x = 229,274.40 × 74,117.60
  4. Step 4: Simplify right side
    152,849.60x = 16,993,268,269.44
  5. Step 5: Solve for x
    x = 16,993,268,269.44/152,849.60
  6. Step 6: Final answer
    x = 111,176.40

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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.