Home / 176,558.89-243,646.18-100,085.05

Finding the Fourth Proportional to 176,558.89, 243,646.18 and 100,085.05

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Solution

The fourth proportional to 176,558.89, 243,646.18 and 100,085.05 is: 138,114.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,558.89 : 243,646.18 = 100,085.05 : x
  2. Step 2: Convert to fraction form
    176,558.89/243,646.18 = 100,085.05/x
  3. Step 3: Cross multiply
    176,558.89x = 243,646.18 × 100,085.05
  4. Step 4: Simplify right side
    176,558.89x = 24,385,340,107.61
  5. Step 5: Solve for x
    x = 24,385,340,107.61/176,558.89
  6. Step 6: Final answer
    x = 138,114.48

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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.