Home / 141,521.42-212,275.22-52,768.00

Finding the Fourth Proportional to 141,521.42, 212,275.22 and 52,768.00

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Solution

The fourth proportional to 141,521.42, 212,275.22 and 52,768.00 is: 79,149.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,521.42 : 212,275.22 = 52,768.00 : x
  2. Step 2: Convert to fraction form
    141,521.42/212,275.22 = 52,768.00/x
  3. Step 3: Cross multiply
    141,521.42x = 212,275.22 × 52,768.00
  4. Step 4: Simplify right side
    141,521.42x = 11,201,338,810.46
  5. Step 5: Solve for x
    x = 11,201,338,810.46/141,521.42
  6. Step 6: Final answer
    x = 79,149.42

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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.