Home / 127,253.50-190,589.56-60,740.45

Finding the Fourth Proportional to 127,253.50, 190,589.56 and 60,740.45

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Solution

The fourth proportional to 127,253.50, 190,589.56 and 60,740.45 is: 90,971.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,253.50 : 190,589.56 = 60,740.45 : x
  2. Step 2: Convert to fraction form
    127,253.50/190,589.56 = 60,740.45/x
  3. Step 3: Cross multiply
    127,253.50x = 190,589.56 × 60,740.45
  4. Step 4: Simplify right side
    127,253.50x = 11,576,495,249.61
  5. Step 5: Solve for x
    x = 11,576,495,249.61/127,253.50
  6. Step 6: Final answer
    x = 90,971.92

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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.