Home / 112,194.17-154,828.70-61,207.71

Finding the Fourth Proportional to 112,194.17, 154,828.70 and 61,207.71

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Solution

The fourth proportional to 112,194.17, 154,828.70 and 61,207.71 is: 84,467.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,194.17 : 154,828.70 = 61,207.71 : x
  2. Step 2: Convert to fraction form
    112,194.17/154,828.70 = 61,207.71/x
  3. Step 3: Cross multiply
    112,194.17x = 154,828.70 × 61,207.71
  4. Step 4: Simplify right side
    112,194.17x = 9,476,710,169.28
  5. Step 5: Solve for x
    x = 9,476,710,169.28/112,194.17
  6. Step 6: Final answer
    x = 84,467.05

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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.