Home / 127,113.60-190,670.40-124,780.80

Finding the Fourth Proportional to 127,113.60, 190,670.40 and 124,780.80

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Solution

The fourth proportional to 127,113.60, 190,670.40 and 124,780.80 is: 187,171.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,113.60 : 190,670.40 = 124,780.80 : x
  2. Step 2: Convert to fraction form
    127,113.60/190,670.40 = 124,780.80/x
  3. Step 3: Cross multiply
    127,113.60x = 190,670.40 × 124,780.80
  4. Step 4: Simplify right side
    127,113.60x = 23,792,005,048.32
  5. Step 5: Solve for x
    x = 23,792,005,048.32/127,113.60
  6. Step 6: Final answer
    x = 187,171.20

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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.