Home / 112,240.28-154,889.33-61,254.02

Finding the Fourth Proportional to 112,240.28, 154,889.33 and 61,254.02

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Solution

The fourth proportional to 112,240.28, 154,889.33 and 61,254.02 is: 84,529.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,240.28 : 154,889.33 = 61,254.02 : x
  2. Step 2: Convert to fraction form
    112,240.28/154,889.33 = 61,254.02/x
  3. Step 3: Cross multiply
    112,240.28x = 154,889.33 × 61,254.02
  4. Step 4: Simplify right side
    112,240.28x = 9,487,593,036.89
  5. Step 5: Solve for x
    x = 9,487,593,036.89/112,240.28
  6. Step 6: Final answer
    x = 84,529.31

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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.