Home / 112,239.31-154,891.15-61,252.44

Finding the Fourth Proportional to 112,239.31, 154,891.15 and 61,252.44

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Solution

The fourth proportional to 112,239.31, 154,891.15 and 61,252.44 is: 84,528.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,239.31 : 154,891.15 = 61,252.44 : x
  2. Step 2: Convert to fraction form
    112,239.31/154,891.15 = 61,252.44/x
  3. Step 3: Cross multiply
    112,239.31x = 154,891.15 × 61,252.44
  4. Step 4: Simplify right side
    112,239.31x = 9,487,460,871.91
  5. Step 5: Solve for x
    x = 9,487,460,871.91/112,239.31
  6. Step 6: Final answer
    x = 84,528.86

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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.