Home / 141,839.10-212,758.65-42,014.70

Finding the Fourth Proportional to 141,839.10, 212,758.65 and 42,014.70

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Solution

The fourth proportional to 141,839.10, 212,758.65 and 42,014.70 is: 63,022.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,839.10 : 212,758.65 = 42,014.70 : x
  2. Step 2: Convert to fraction form
    141,839.10/212,758.65 = 42,014.70/x
  3. Step 3: Cross multiply
    141,839.10x = 212,758.65 × 42,014.70
  4. Step 4: Simplify right side
    141,839.10x = 8,938,990,852.16
  5. Step 5: Solve for x
    x = 8,938,990,852.16/141,839.10
  6. Step 6: Final answer
    x = 63,022.05

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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.