Home / 123,206.13-184,831.98-38,987.49

Finding the Fourth Proportional to 123,206.13, 184,831.98 and 38,987.49

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Solution

The fourth proportional to 123,206.13, 184,831.98 and 38,987.49 is: 58,488.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,206.13 : 184,831.98 = 38,987.49 : x
  2. Step 2: Convert to fraction form
    123,206.13/184,831.98 = 38,987.49/x
  3. Step 3: Cross multiply
    123,206.13x = 184,831.98 × 38,987.49
  4. Step 4: Simplify right side
    123,206.13x = 7,206,134,776.99
  5. Step 5: Solve for x
    x = 7,206,134,776.99/123,206.13
  6. Step 6: Final answer
    x = 58,488.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.