Home / 176,278.66-243,268.64-104,658.86

Finding the Fourth Proportional to 176,278.66, 243,268.64 and 104,658.86

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Solution

The fourth proportional to 176,278.66, 243,268.64 and 104,658.86 is: 144,431.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,278.66 : 243,268.64 = 104,658.86 : x
  2. Step 2: Convert to fraction form
    176,278.66/243,268.64 = 104,658.86/x
  3. Step 3: Cross multiply
    176,278.66x = 243,268.64 × 104,658.86
  4. Step 4: Simplify right side
    176,278.66x = 25,460,218,536.15
  5. Step 5: Solve for x
    x = 25,460,218,536.15/176,278.66
  6. Step 6: Final answer
    x = 144,431.65

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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.