Home / 127,695.23-176,227.38-70,334.54

Finding the Fourth Proportional to 127,695.23, 176,227.38 and 70,334.54

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Solution

The fourth proportional to 127,695.23, 176,227.38 and 70,334.54 is: 97,066.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,695.23 : 176,227.38 = 70,334.54 : x
  2. Step 2: Convert to fraction form
    127,695.23/176,227.38 = 70,334.54/x
  3. Step 3: Cross multiply
    127,695.23x = 176,227.38 × 70,334.54
  4. Step 4: Simplify right side
    127,695.23x = 12,394,871,487.42
  5. Step 5: Solve for x
    x = 12,394,871,487.42/127,695.23
  6. Step 6: Final answer
    x = 97,066.05

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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.