Home / 126,790.01-174,972.37-69,428.42

Finding the Fourth Proportional to 126,790.01, 174,972.37 and 69,428.42

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Solution

The fourth proportional to 126,790.01, 174,972.37 and 69,428.42 is: 95,812.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,790.01 : 174,972.37 = 69,428.42 : x
  2. Step 2: Convert to fraction form
    126,790.01/174,972.37 = 69,428.42/x
  3. Step 3: Cross multiply
    126,790.01x = 174,972.37 × 69,428.42
  4. Step 4: Simplify right side
    126,790.01x = 12,148,055,192.76
  5. Step 5: Solve for x
    x = 12,148,055,192.76/126,790.01
  6. Step 6: Final answer
    x = 95,812.40

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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.