Home / 140,017.74-193,235.93-79,607.31

Finding the Fourth Proportional to 140,017.74, 193,235.93 and 79,607.31

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Solution

The fourth proportional to 140,017.74, 193,235.93 and 79,607.31 is: 109,864.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,017.74 : 193,235.93 = 79,607.31 : x
  2. Step 2: Convert to fraction form
    140,017.74/193,235.93 = 79,607.31/x
  3. Step 3: Cross multiply
    140,017.74x = 193,235.93 × 79,607.31
  4. Step 4: Simplify right side
    140,017.74x = 15,382,992,582.65
  5. Step 5: Solve for x
    x = 15,382,992,582.65/140,017.74
  6. Step 6: Final answer
    x = 109,864.60

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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.