Home / 140,033.64-193,263.03-79,613.40

Finding the Fourth Proportional to 140,033.64, 193,263.03 and 79,613.40

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Solution

The fourth proportional to 140,033.64, 193,263.03 and 79,613.40 is: 109,875.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,033.64 : 193,263.03 = 79,613.40 : x
  2. Step 2: Convert to fraction form
    140,033.64/193,263.03 = 79,613.40/x
  3. Step 3: Cross multiply
    140,033.64x = 193,263.03 × 79,613.40
  4. Step 4: Simplify right side
    140,033.64x = 15,386,326,912.60
  5. Step 5: Solve for x
    x = 15,386,326,912.60/140,033.64
  6. Step 6: Final answer
    x = 109,875.93

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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.