Home / 158,273.22-218,417.04-86,653.24

Finding the Fourth Proportional to 158,273.22, 218,417.04 and 86,653.24

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Solution

The fourth proportional to 158,273.22, 218,417.04 and 86,653.24 is: 119,581.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,273.22 : 218,417.04 = 86,653.24 : x
  2. Step 2: Convert to fraction form
    158,273.22/218,417.04 = 86,653.24/x
  3. Step 3: Cross multiply
    158,273.22x = 218,417.04 × 86,653.24
  4. Step 4: Simplify right side
    158,273.22x = 18,926,545,235.33
  5. Step 5: Solve for x
    x = 18,926,545,235.33/158,273.22
  6. Step 6: Final answer
    x = 119,581.48

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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.