Home / 277,840.17-383,382.76-175,685.40

Finding the Fourth Proportional to 277,840.17, 383,382.76 and 175,685.40

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Solution

The fourth proportional to 277,840.17, 383,382.76 and 175,685.40 is: 242,422.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,840.17 : 383,382.76 = 175,685.40 : x
  2. Step 2: Convert to fraction form
    277,840.17/383,382.76 = 175,685.40/x
  3. Step 3: Cross multiply
    277,840.17x = 383,382.76 × 175,685.40
  4. Step 4: Simplify right side
    277,840.17x = 67,354,753,543.70
  5. Step 5: Solve for x
    x = 67,354,753,543.70/277,840.17
  6. Step 6: Final answer
    x = 242,422.66

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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.