Home / 381,055.18-571,583.02-96,767.05

Finding the Fourth Proportional to 381,055.18, 571,583.02 and 96,767.05

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Solution

The fourth proportional to 381,055.18, 571,583.02 and 96,767.05 is: 145,150.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,055.18 : 571,583.02 = 96,767.05 : x
  2. Step 2: Convert to fraction form
    381,055.18/571,583.02 = 96,767.05/x
  3. Step 3: Cross multiply
    381,055.18x = 571,583.02 × 96,767.05
  4. Step 4: Simplify right side
    381,055.18x = 55,310,402,675.49
  5. Step 5: Solve for x
    x = 55,310,402,675.49/381,055.18
  6. Step 6: Final answer
    x = 145,150.64

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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.