Home / 127,205.22-175,534.41-70,612.14

Finding the Fourth Proportional to 127,205.22, 175,534.41 and 70,612.14

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Solution

The fourth proportional to 127,205.22, 175,534.41 and 70,612.14 is: 97,439.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,205.22 : 175,534.41 = 70,612.14 : x
  2. Step 2: Convert to fraction form
    127,205.22/175,534.41 = 70,612.14/x
  3. Step 3: Cross multiply
    127,205.22x = 175,534.41 × 70,612.14
  4. Step 4: Simplify right side
    127,205.22x = 12,394,860,333.74
  5. Step 5: Solve for x
    x = 12,394,860,333.74/127,205.22
  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.