Home / 126,173.90-174,115.15-69,585.28

Finding the Fourth Proportional to 126,173.90, 174,115.15 and 69,585.28

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Solution

The fourth proportional to 126,173.90, 174,115.15 and 69,585.28 is: 96,025.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,173.90 : 174,115.15 = 69,585.28 : x
  2. Step 2: Convert to fraction form
    126,173.90/174,115.15 = 69,585.28/x
  3. Step 3: Cross multiply
    126,173.90x = 174,115.15 × 69,585.28
  4. Step 4: Simplify right side
    126,173.90x = 12,115,850,855.74
  5. Step 5: Solve for x
    x = 12,115,850,855.74/126,173.90
  6. Step 6: Final answer
    x = 96,025.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.