Home / 127,705.34-176,231.22-70,350.03

Finding the Fourth Proportional to 127,705.34, 176,231.22 and 70,350.03

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Solution

The fourth proportional to 127,705.34, 176,231.22 and 70,350.03 is: 97,081.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,705.34 : 176,231.22 = 70,350.03 : x
  2. Step 2: Convert to fraction form
    127,705.34/176,231.22 = 70,350.03/x
  3. Step 3: Cross multiply
    127,705.34x = 176,231.22 × 70,350.03
  4. Step 4: Simplify right side
    127,705.34x = 12,397,871,613.94
  5. Step 5: Solve for x
    x = 12,397,871,613.94/127,705.34
  6. Step 6: Final answer
    x = 97,081.86

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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.