Home / 140,032.31-193,242.26-76,366.31

Finding the Fourth Proportional to 140,032.31, 193,242.26 and 76,366.31

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Solution

The fourth proportional to 140,032.31, 193,242.26 and 76,366.31 is: 105,384.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,032.31 : 193,242.26 = 76,366.31 : x
  2. Step 2: Convert to fraction form
    140,032.31/193,242.26 = 76,366.31/x
  3. Step 3: Cross multiply
    140,032.31x = 193,242.26 × 76,366.31
  4. Step 4: Simplify right side
    140,032.31x = 14,757,197,950.43
  5. Step 5: Solve for x
    x = 14,757,197,950.43/140,032.31
  6. Step 6: Final answer
    x = 105,384.24

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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.