Home / 123,065.04-183,923.16-89,855.04

Finding the Fourth Proportional to 123,065.04, 183,923.16 and 89,855.04

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Solution

The fourth proportional to 123,065.04, 183,923.16 and 89,855.04 is: 134,290.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,065.04 : 183,923.16 = 89,855.04 : x
  2. Step 2: Convert to fraction form
    123,065.04/183,923.16 = 89,855.04/x
  3. Step 3: Cross multiply
    123,065.04x = 183,923.16 × 89,855.04
  4. Step 4: Simplify right side
    123,065.04x = 16,526,422,898.73
  5. Step 5: Solve for x
    x = 16,526,422,898.73/123,065.04
  6. Step 6: Final answer
    x = 134,290.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.