Home / 127,555.60-191,552.10-83,378.20

Finding the Fourth Proportional to 127,555.60, 191,552.10 and 83,378.20

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Solution

The fourth proportional to 127,555.60, 191,552.10 and 83,378.20 is: 125,210.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,555.60 : 191,552.10 = 83,378.20 : x
  2. Step 2: Convert to fraction form
    127,555.60/191,552.10 = 83,378.20/x
  3. Step 3: Cross multiply
    127,555.60x = 191,552.10 × 83,378.20
  4. Step 4: Simplify right side
    127,555.60x = 15,971,269,304.22
  5. Step 5: Solve for x
    x = 15,971,269,304.22/127,555.60
  6. Step 6: Final answer
    x = 125,210.26

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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.