Home / 127,965.93-176,592.45-70,608.81

Finding the Fourth Proportional to 127,965.93, 176,592.45 and 70,608.81

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Solution

The fourth proportional to 127,965.93, 176,592.45 and 70,608.81 is: 97,439.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,965.93 : 176,592.45 = 70,608.81 : x
  2. Step 2: Convert to fraction form
    127,965.93/176,592.45 = 70,608.81/x
  3. Step 3: Cross multiply
    127,965.93x = 176,592.45 × 70,608.81
  4. Step 4: Simplify right side
    127,965.93x = 12,468,983,676.49
  5. Step 5: Solve for x
    x = 12,468,983,676.49/127,965.93
  6. Step 6: Final answer
    x = 97,439.87

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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.