Home / 112,635.79-155,182.48-92,460.72

Finding the Fourth Proportional to 112,635.79, 155,182.48 and 92,460.72

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Solution

The fourth proportional to 112,635.79, 155,182.48 and 92,460.72 is: 127,386.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,635.79 : 155,182.48 = 92,460.72 : x
  2. Step 2: Convert to fraction form
    112,635.79/155,182.48 = 92,460.72/x
  3. Step 3: Cross multiply
    112,635.79x = 155,182.48 × 92,460.72
  4. Step 4: Simplify right side
    112,635.79x = 14,348,283,832.19
  5. Step 5: Solve for x
    x = 14,348,283,832.19/112,635.79
  6. Step 6: Final answer
    x = 127,386.54

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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.