Home / 126,421.38-174,460.97-69,832.76

Finding the Fourth Proportional to 126,421.38, 174,460.97 and 69,832.76

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Solution

The fourth proportional to 126,421.38, 174,460.97 and 69,832.76 is: 96,368.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,421.38 : 174,460.97 = 69,832.76 : x
  2. Step 2: Convert to fraction form
    126,421.38/174,460.97 = 69,832.76/x
  3. Step 3: Cross multiply
    126,421.38x = 174,460.97 × 69,832.76
  4. Step 4: Simplify right side
    126,421.38x = 12,183,090,349.65
  5. Step 5: Solve for x
    x = 12,183,090,349.65/126,421.38
  6. Step 6: Final answer
    x = 96,368.91

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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.