Home / 277,700.04-416,569.50-137,421

Finding the Fourth Proportional to 277,700.04, 416,569.50 and 137,421

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Solution

The fourth proportional to 277,700.04, 416,569.50 and 137,421 is: 206,141.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,700.04 : 416,569.50 = 137,421 : x
  2. Step 2: Convert to fraction form
    277,700.04/416,569.50 = 137,421/x
  3. Step 3: Cross multiply
    277,700.04x = 416,569.50 × 137,421
  4. Step 4: Simplify right side
    277,700.04x = 57,245,397,259.50
  5. Step 5: Solve for x
    x = 57,245,397,259.50/277,700.04
  6. Step 6: Final answer
    x = 206,141.12

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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.