Home / 158,006.00-218,048.30-86,386.04

Finding the Fourth Proportional to 158,006.00, 218,048.30 and 86,386.04

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Solution

The fourth proportional to 158,006.00, 218,048.30 and 86,386.04 is: 119,212.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,006.00 : 218,048.30 = 86,386.04 : x
  2. Step 2: Convert to fraction form
    158,006.00/218,048.30 = 86,386.04/x
  3. Step 3: Cross multiply
    158,006.00x = 218,048.30 × 86,386.04
  4. Step 4: Simplify right side
    158,006.00x = 18,836,330,497.63
  5. Step 5: Solve for x
    x = 18,836,330,497.63/158,006.00
  6. Step 6: Final answer
    x = 119,212.75

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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.