Home / 126,317.25-174,317.85-69,728.67

Finding the Fourth Proportional to 126,317.25, 174,317.85 and 69,728.67

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Solution

The fourth proportional to 126,317.25, 174,317.85 and 69,728.67 is: 96,225.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,317.25 : 174,317.85 = 69,728.67 : x
  2. Step 2: Convert to fraction form
    126,317.25/174,317.85 = 69,728.67/x
  3. Step 3: Cross multiply
    126,317.25x = 174,317.85 × 69,728.67
  4. Step 4: Simplify right side
    126,317.25x = 12,154,951,837.76
  5. Step 5: Solve for x
    x = 12,154,951,837.76/126,317.25
  6. Step 6: Final answer
    x = 96,225.59

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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.