Home / 228,862.06-343,343.66-77,066.59

Finding the Fourth Proportional to 228,862.06, 343,343.66 and 77,066.59

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Solution

The fourth proportional to 228,862.06, 343,343.66 and 77,066.59 is: 115,616.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,862.06 : 343,343.66 = 77,066.59 : x
  2. Step 2: Convert to fraction form
    228,862.06/343,343.66 = 77,066.59/x
  3. Step 3: Cross multiply
    228,862.06x = 343,343.66 × 77,066.59
  4. Step 4: Simplify right side
    228,862.06x = 26,460,324,907.90
  5. Step 5: Solve for x
    x = 26,460,324,907.90/228,862.06
  6. Step 6: Final answer
    x = 115,616.91

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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.