Home / 158,583.49-218,844.99-86,963.50

Finding the Fourth Proportional to 158,583.49, 218,844.99 and 86,963.50

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Solution

The fourth proportional to 158,583.49, 218,844.99 and 86,963.50 is: 120,009.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,583.49 : 218,844.99 = 86,963.50 : x
  2. Step 2: Convert to fraction form
    158,583.49/218,844.99 = 86,963.50/x
  3. Step 3: Cross multiply
    158,583.49x = 218,844.99 × 86,963.50
  4. Step 4: Simplify right side
    158,583.49x = 19,031,526,287.87
  5. Step 5: Solve for x
    x = 19,031,526,287.87/158,583.49
  6. Step 6: Final answer
    x = 120,009.51

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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.