Home / 277,877.17-383,189.47-247,153.24

Finding the Fourth Proportional to 277,877.17, 383,189.47 and 247,153.24

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Solution

The fourth proportional to 277,877.17, 383,189.47 and 247,153.24 is: 340,821.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,877.17 : 383,189.47 = 247,153.24 : x
  2. Step 2: Convert to fraction form
    277,877.17/383,189.47 = 247,153.24/x
  3. Step 3: Cross multiply
    277,877.17x = 383,189.47 × 247,153.24
  4. Step 4: Simplify right side
    277,877.17x = 94,706,519,044.38
  5. Step 5: Solve for x
    x = 94,706,519,044.38/277,877.17
  6. Step 6: Final answer
    x = 340,821.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.