Home / 141,983.74-212,895.69-47,163.16

Finding the Fourth Proportional to 141,983.74, 212,895.69 and 47,163.16

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Solution

The fourth proportional to 141,983.74, 212,895.69 and 47,163.16 is: 70,718.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,983.74 : 212,895.69 = 47,163.16 : x
  2. Step 2: Convert to fraction form
    141,983.74/212,895.69 = 47,163.16/x
  3. Step 3: Cross multiply
    141,983.74x = 212,895.69 × 47,163.16
  4. Step 4: Simplify right side
    141,983.74x = 10,040,833,490.78
  5. Step 5: Solve for x
    x = 10,040,833,490.78/141,983.74
  6. Step 6: Final answer
    x = 70,718.19

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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.