Home / 140,314.64-193,637.04-76,656.52

Finding the Fourth Proportional to 140,314.64, 193,637.04 and 76,656.52

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Solution

The fourth proportional to 140,314.64, 193,637.04 and 76,656.52 is: 105,787.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,314.64 : 193,637.04 = 76,656.52 : x
  2. Step 2: Convert to fraction form
    140,314.64/193,637.04 = 76,656.52/x
  3. Step 3: Cross multiply
    140,314.64x = 193,637.04 × 76,656.52
  4. Step 4: Simplify right side
    140,314.64x = 14,843,541,629.50
  5. Step 5: Solve for x
    x = 14,843,541,629.50/140,314.64
  6. Step 6: Final answer
    x = 105,787.55

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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.