Home / 175,853.77-242,672.55-100,402.27

Finding the Fourth Proportional to 175,853.77, 242,672.55 and 100,402.27

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Solution

The fourth proportional to 175,853.77, 242,672.55 and 100,402.27 is: 138,551.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,853.77 : 242,672.55 = 100,402.27 : x
  2. Step 2: Convert to fraction form
    175,853.77/242,672.55 = 100,402.27/x
  3. Step 3: Cross multiply
    175,853.77x = 242,672.55 × 100,402.27
  4. Step 4: Simplify right side
    175,853.77x = 24,364,874,886.69
  5. Step 5: Solve for x
    x = 24,364,874,886.69/175,853.77
  6. Step 6: Final answer
    x = 138,551.91

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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.