Home / 141,675-212,549.04-52,929.12

Finding the Fourth Proportional to 141,675, 212,549.04 and 52,929.12

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Solution

The fourth proportional to 141,675, 212,549.04 and 52,929.12 is: 79,407.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,675 : 212,549.04 = 52,929.12 : x
  2. Step 2: Convert to fraction form
    141,675/212,549.04 = 52,929.12/x
  3. Step 3: Cross multiply
    141,675x = 212,549.04 × 52,929.12
  4. Step 4: Simplify right side
    141,675x = 11,250,033,644.04
  5. Step 5: Solve for x
    x = 11,250,033,644.04/141,675
  6. Step 6: Final answer
    x = 79,407.33

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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.