Home / 112,238.07-154,889.45-61,251.21

Finding the Fourth Proportional to 112,238.07, 154,889.45 and 61,251.21

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Solution

The fourth proportional to 112,238.07, 154,889.45 and 61,251.21 is: 84,527.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,238.07 : 154,889.45 = 61,251.21 : x
  2. Step 2: Convert to fraction form
    112,238.07/154,889.45 = 61,251.21/x
  3. Step 3: Cross multiply
    112,238.07x = 154,889.45 × 61,251.21
  4. Step 4: Simplify right side
    112,238.07x = 9,487,165,922.48
  5. Step 5: Solve for x
    x = 9,487,165,922.48/112,238.07
  6. Step 6: Final answer
    x = 84,527.17

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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.