Home / 126,357.56-174,368.86-69,767.72

Finding the Fourth Proportional to 126,357.56, 174,368.86 and 69,767.72

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Solution

The fourth proportional to 126,357.56, 174,368.86 and 69,767.72 is: 96,276.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,357.56 : 174,368.86 = 69,767.72 : x
  2. Step 2: Convert to fraction form
    126,357.56/174,368.86 = 69,767.72/x
  3. Step 3: Cross multiply
    126,357.56x = 174,368.86 × 69,767.72
  4. Step 4: Simplify right side
    126,357.56x = 12,165,317,801.20
  5. Step 5: Solve for x
    x = 12,165,317,801.20/126,357.56
  6. Step 6: Final answer
    x = 96,276.93

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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.