Home / 140,338.80-193,665.27-76,675.23

Finding the Fourth Proportional to 140,338.80, 193,665.27 and 76,675.23

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Solution

The fourth proportional to 140,338.80, 193,665.27 and 76,675.23 is: 105,810.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,338.80 : 193,665.27 = 76,675.23 : x
  2. Step 2: Convert to fraction form
    140,338.80/193,665.27 = 76,675.23/x
  3. Step 3: Cross multiply
    140,338.80x = 193,665.27 × 76,675.23
  4. Step 4: Simplify right side
    140,338.80x = 14,849,329,120.26
  5. Step 5: Solve for x
    x = 14,849,329,120.26/140,338.80
  6. Step 6: Final answer
    x = 105,810.57

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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.