Home / 104,925.12-144,796.46-57,178.32

Finding the Fourth Proportional to 104,925.12, 144,796.46 and 57,178.32

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Solution

The fourth proportional to 104,925.12, 144,796.46 and 57,178.32 is: 78,905.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,925.12 : 144,796.46 = 57,178.32 : x
  2. Step 2: Convert to fraction form
    104,925.12/144,796.46 = 57,178.32/x
  3. Step 3: Cross multiply
    104,925.12x = 144,796.46 × 57,178.32
  4. Step 4: Simplify right side
    104,925.12x = 8,279,218,038.86
  5. Step 5: Solve for x
    x = 8,279,218,038.86/104,925.12
  6. Step 6: Final answer
    x = 78,905.97

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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.