Home / 126,812.60-190,223.28-60,218.36

Finding the Fourth Proportional to 126,812.60, 190,223.28 and 60,218.36

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Solution

The fourth proportional to 126,812.60, 190,223.28 and 60,218.36 is: 90,329.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,812.60 : 190,223.28 = 60,218.36 : x
  2. Step 2: Convert to fraction form
    126,812.60/190,223.28 = 60,218.36/x
  3. Step 3: Cross multiply
    126,812.60x = 190,223.28 × 60,218.36
  4. Step 4: Simplify right side
    126,812.60x = 11,454,933,955.42
  5. Step 5: Solve for x
    x = 11,454,933,955.42/126,812.60
  6. Step 6: Final answer
    x = 90,329.62

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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.