Home / 245,946.65-368,933.15-77,480.15

Finding the Fourth Proportional to 245,946.65, 368,933.15 and 77,480.15

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Solution

The fourth proportional to 245,946.65, 368,933.15 and 77,480.15 is: 116,224.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,946.65 : 368,933.15 = 77,480.15 : x
  2. Step 2: Convert to fraction form
    245,946.65/368,933.15 = 77,480.15/x
  3. Step 3: Cross multiply
    245,946.65x = 368,933.15 × 77,480.15
  4. Step 4: Simplify right side
    245,946.65x = 28,584,996,918.01
  5. Step 5: Solve for x
    x = 28,584,996,918.01/245,946.65
  6. Step 6: Final answer
    x = 116,224.38

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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.