Home / 124,772.32-172,189.56-68,184.64

Finding the Fourth Proportional to 124,772.32, 172,189.56 and 68,184.64

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Solution

The fourth proportional to 124,772.32, 172,189.56 and 68,184.64 is: 94,096.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,772.32 : 172,189.56 = 68,184.64 : x
  2. Step 2: Convert to fraction form
    124,772.32/172,189.56 = 68,184.64/x
  3. Step 3: Cross multiply
    124,772.32x = 172,189.56 × 68,184.64
  4. Step 4: Simplify right side
    124,772.32x = 11,740,683,160.36
  5. Step 5: Solve for x
    x = 11,740,683,160.36/124,772.32
  6. Step 6: Final answer
    x = 94,096.86

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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.