Home / 140,495.78-193,884.09-76,833.60

Finding the Fourth Proportional to 140,495.78, 193,884.09 and 76,833.60

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Solution

The fourth proportional to 140,495.78, 193,884.09 and 76,833.60 is: 106,030.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,495.78 : 193,884.09 = 76,833.60 : x
  2. Step 2: Convert to fraction form
    140,495.78/193,884.09 = 76,833.60/x
  3. Step 3: Cross multiply
    140,495.78x = 193,884.09 × 76,833.60
  4. Step 4: Simplify right side
    140,495.78x = 14,896,812,617.42
  5. Step 5: Solve for x
    x = 14,896,812,617.42/140,495.78
  6. Step 6: Final answer
    x = 106,030.32

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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.