Home / 140,462.40-210,722.76-46,965.72

Finding the Fourth Proportional to 140,462.40, 210,722.76 and 46,965.72

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Solution

The fourth proportional to 140,462.40, 210,722.76 and 46,965.72 is: 70,458.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,462.40 : 210,722.76 = 46,965.72 : x
  2. Step 2: Convert to fraction form
    140,462.40/210,722.76 = 46,965.72/x
  3. Step 3: Cross multiply
    140,462.40x = 210,722.76 × 46,965.72
  4. Step 4: Simplify right side
    140,462.40x = 9,896,746,143.79
  5. Step 5: Solve for x
    x = 9,896,746,143.79/140,462.40
  6. Step 6: Final answer
    x = 70,458.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.