Home / 145,941.93-201,400.11-82,279.56

Finding the Fourth Proportional to 145,941.93, 201,400.11 and 82,279.56

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Solution

The fourth proportional to 145,941.93, 201,400.11 and 82,279.56 is: 113,545.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,941.93 : 201,400.11 = 82,279.56 : x
  2. Step 2: Convert to fraction form
    145,941.93/201,400.11 = 82,279.56/x
  3. Step 3: Cross multiply
    145,941.93x = 201,400.11 × 82,279.56
  4. Step 4: Simplify right side
    145,941.93x = 16,571,112,434.75
  5. Step 5: Solve for x
    x = 16,571,112,434.75/145,941.93
  6. Step 6: Final answer
    x = 113,545.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.