Home / 126,125.96-174,055.16-69,539.36

Finding the Fourth Proportional to 126,125.96, 174,055.16 and 69,539.36

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Solution

The fourth proportional to 126,125.96, 174,055.16 and 69,539.36 is: 95,965.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,125.96 : 174,055.16 = 69,539.36 : x
  2. Step 2: Convert to fraction form
    126,125.96/174,055.16 = 69,539.36/x
  3. Step 3: Cross multiply
    126,125.96x = 174,055.16 × 69,539.36
  4. Step 4: Simplify right side
    126,125.96x = 12,103,684,431.10
  5. Step 5: Solve for x
    x = 12,103,684,431.10/126,125.96
  6. Step 6: Final answer
    x = 95,965.05

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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.