Home / 177,963.27-245,590.29-100,439.58

Finding the Fourth Proportional to 177,963.27, 245,590.29 and 100,439.58

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Solution

The fourth proportional to 177,963.27, 245,590.29 and 100,439.58 is: 138,607.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,963.27 : 245,590.29 = 100,439.58 : x
  2. Step 2: Convert to fraction form
    177,963.27/245,590.29 = 100,439.58/x
  3. Step 3: Cross multiply
    177,963.27x = 245,590.29 × 100,439.58
  4. Step 4: Simplify right side
    177,963.27x = 24,666,985,579.68
  5. Step 5: Solve for x
    x = 24,666,985,579.68/177,963.27
  6. Step 6: Final answer
    x = 138,607.17

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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.