Home / 140,441.40-210,641.36-51,674.18

Finding the Fourth Proportional to 140,441.40, 210,641.36 and 51,674.18

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Solution

The fourth proportional to 140,441.40, 210,641.36 and 51,674.18 is: 77,503.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,441.40 : 210,641.36 = 51,674.18 : x
  2. Step 2: Convert to fraction form
    140,441.40/210,641.36 = 51,674.18/x
  3. Step 3: Cross multiply
    140,441.40x = 210,641.36 × 51,674.18
  4. Step 4: Simplify right side
    140,441.40x = 10,884,718,240.51
  5. Step 5: Solve for x
    x = 10,884,718,240.51/140,441.40
  6. Step 6: Final answer
    x = 77,503.63

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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.