Home / 245,740.24-368,610.12-77,259.76

Finding the Fourth Proportional to 245,740.24, 368,610.12 and 77,259.76

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Solution

The fourth proportional to 245,740.24, 368,610.12 and 77,259.76 is: 115,889.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,740.24 : 368,610.12 = 77,259.76 : x
  2. Step 2: Convert to fraction form
    245,740.24/368,610.12 = 77,259.76/x
  3. Step 3: Cross multiply
    245,740.24x = 368,610.12 × 77,259.76
  4. Step 4: Simplify right side
    245,740.24x = 28,478,729,404.77
  5. Step 5: Solve for x
    x = 28,478,729,404.77/245,740.24
  6. Step 6: Final answer
    x = 115,889.56

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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.