Home / 176,418.15-243,403.39-99,925.08

Finding the Fourth Proportional to 176,418.15, 243,403.39 and 99,925.08

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Solution

The fourth proportional to 176,418.15, 243,403.39 and 99,925.08 is: 137,866.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,418.15 : 243,403.39 = 99,925.08 : x
  2. Step 2: Convert to fraction form
    176,418.15/243,403.39 = 99,925.08/x
  3. Step 3: Cross multiply
    176,418.15x = 243,403.39 × 99,925.08
  4. Step 4: Simplify right side
    176,418.15x = 24,322,103,218.02
  5. Step 5: Solve for x
    x = 24,322,103,218.02/176,418.15
  6. Step 6: Final answer
    x = 137,866.22

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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.