Home / 158,583.04-218,842.68-86,962.48

Finding the Fourth Proportional to 158,583.04, 218,842.68 and 86,962.48

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Solution

The fourth proportional to 158,583.04, 218,842.68 and 86,962.48 is: 120,007.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,583.04 : 218,842.68 = 86,962.48 : x
  2. Step 2: Convert to fraction form
    158,583.04/218,842.68 = 86,962.48/x
  3. Step 3: Cross multiply
    158,583.04x = 218,842.68 × 86,962.48
  4. Step 4: Simplify right side
    158,583.04x = 19,031,102,182.65
  5. Step 5: Solve for x
    x = 19,031,102,182.65/158,583.04
  6. Step 6: Final answer
    x = 120,007.17

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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.