Home / 144,823.72-217,352.94-74,723.08

Finding the Fourth Proportional to 144,823.72, 217,352.94 and 74,723.08

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Solution

The fourth proportional to 144,823.72, 217,352.94 and 74,723.08 is: 112,145.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,823.72 : 217,352.94 = 74,723.08 : x
  2. Step 2: Convert to fraction form
    144,823.72/217,352.94 = 74,723.08/x
  3. Step 3: Cross multiply
    144,823.72x = 217,352.94 × 74,723.08
  4. Step 4: Simplify right side
    144,823.72x = 16,241,281,123.86
  5. Step 5: Solve for x
    x = 16,241,281,123.86/144,823.72
  6. Step 6: Final answer
    x = 112,145.17

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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.