Home / 112,296.90-154,963.08-61,299.48

Finding the Fourth Proportional to 112,296.90, 154,963.08 and 61,299.48

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Solution

The fourth proportional to 112,296.90, 154,963.08 and 61,299.48 is: 84,589.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,296.90 : 154,963.08 = 61,299.48 : x
  2. Step 2: Convert to fraction form
    112,296.90/154,963.08 = 61,299.48/x
  3. Step 3: Cross multiply
    112,296.90x = 154,963.08 × 61,299.48
  4. Step 4: Simplify right side
    112,296.90x = 9,499,156,223.20
  5. Step 5: Solve for x
    x = 9,499,156,223.20/112,296.90
  6. Step 6: Final answer
    x = 84,589.66

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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.