Home / 149,083.61-223,626.64-54,381.65

Finding the Fourth Proportional to 149,083.61, 223,626.64 and 54,381.65

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Solution

The fourth proportional to 149,083.61, 223,626.64 and 54,381.65 is: 81,572.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,083.61 : 223,626.64 = 54,381.65 : x
  2. Step 2: Convert to fraction form
    149,083.61/223,626.64 = 54,381.65/x
  3. Step 3: Cross multiply
    149,083.61x = 223,626.64 × 54,381.65
  4. Step 4: Simplify right side
    149,083.61x = 12,161,185,667.16
  5. Step 5: Solve for x
    x = 12,161,185,667.16/149,083.61
  6. Step 6: Final answer
    x = 81,572.92

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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.