Home / 126,784.01-190,207.61-38,039.15

Finding the Fourth Proportional to 126,784.01, 190,207.61 and 38,039.15

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Solution

The fourth proportional to 126,784.01, 190,207.61 and 38,039.15 is: 57,068.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,784.01 : 190,207.61 = 38,039.15 : x
  2. Step 2: Convert to fraction form
    126,784.01/190,207.61 = 38,039.15/x
  3. Step 3: Cross multiply
    126,784.01x = 190,207.61 × 38,039.15
  4. Step 4: Simplify right side
    126,784.01x = 7,235,334,666.70
  5. Step 5: Solve for x
    x = 7,235,334,666.70/126,784.01
  6. Step 6: Final answer
    x = 57,068.20

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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.