Home / 127,772.95-176,327.84-70,414.33

Finding the Fourth Proportional to 127,772.95, 176,327.84 and 70,414.33

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Solution

The fourth proportional to 127,772.95, 176,327.84 and 70,414.33 is: 97,172.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,772.95 : 176,327.84 = 70,414.33 : x
  2. Step 2: Convert to fraction form
    127,772.95/176,327.84 = 70,414.33/x
  3. Step 3: Cross multiply
    127,772.95x = 176,327.84 × 70,414.33
  4. Step 4: Simplify right side
    127,772.95x = 12,416,006,361.88
  5. Step 5: Solve for x
    x = 12,416,006,361.88/127,772.95
  6. Step 6: Final answer
    x = 97,172.42

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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.