Home / 175,854.77-242,673.93-100,403.27

Finding the Fourth Proportional to 175,854.77, 242,673.93 and 100,403.27

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Solution

The fourth proportional to 175,854.77, 242,673.93 and 100,403.27 is: 138,553.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,854.77 : 242,673.93 = 100,403.27 : x
  2. Step 2: Convert to fraction form
    175,854.77/242,673.93 = 100,403.27/x
  3. Step 3: Cross multiply
    175,854.77x = 242,673.93 × 100,403.27
  4. Step 4: Simplify right side
    175,854.77x = 24,365,256,115.75
  5. Step 5: Solve for x
    x = 24,365,256,115.75/175,854.77
  6. Step 6: Final answer
    x = 138,553.29

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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.