Home / 158,340.14-218,501.24-86,706.30

Finding the Fourth Proportional to 158,340.14, 218,501.24 and 86,706.30

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Solution

The fourth proportional to 158,340.14, 218,501.24 and 86,706.30 is: 119,650.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,340.14 : 218,501.24 = 86,706.30 : x
  2. Step 2: Convert to fraction form
    158,340.14/218,501.24 = 86,706.30/x
  3. Step 3: Cross multiply
    158,340.14x = 218,501.24 × 86,706.30
  4. Step 4: Simplify right side
    158,340.14x = 18,945,433,632.28
  5. Step 5: Solve for x
    x = 18,945,433,632.28/158,340.14
  6. Step 6: Final answer
    x = 119,650.23

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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.