Home / 127,627.02-191,468.20-38,878.20

Finding the Fourth Proportional to 127,627.02, 191,468.20 and 38,878.20

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Solution

The fourth proportional to 127,627.02, 191,468.20 and 38,878.20 is: 58,325.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,627.02 : 191,468.20 = 38,878.20 : x
  2. Step 2: Convert to fraction form
    127,627.02/191,468.20 = 38,878.20/x
  3. Step 3: Cross multiply
    127,627.02x = 191,468.20 × 38,878.20
  4. Step 4: Simplify right side
    127,627.02x = 7,443,938,973.24
  5. Step 5: Solve for x
    x = 7,443,938,973.24/127,627.02
  6. Step 6: Final answer
    x = 58,325.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.