Home / 126,351.72-174,223.73-86,089.05

Finding the Fourth Proportional to 126,351.72, 174,223.73 and 86,089.05

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Solution

The fourth proportional to 126,351.72, 174,223.73 and 86,089.05 is: 118,706.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,351.72 : 174,223.73 = 86,089.05 : x
  2. Step 2: Convert to fraction form
    126,351.72/174,223.73 = 86,089.05/x
  3. Step 3: Cross multiply
    126,351.72x = 174,223.73 × 86,089.05
  4. Step 4: Simplify right side
    126,351.72x = 14,998,754,972.71
  5. Step 5: Solve for x
    x = 14,998,754,972.71/126,351.72
  6. Step 6: Final answer
    x = 118,706.38

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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.