Home / 140,425.87-210,595.05-46,909.75

Finding the Fourth Proportional to 140,425.87, 210,595.05 and 46,909.75

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Solution

The fourth proportional to 140,425.87, 210,595.05 and 46,909.75 is: 70,350.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,425.87 : 210,595.05 = 46,909.75 : x
  2. Step 2: Convert to fraction form
    140,425.87/210,595.05 = 46,909.75/x
  3. Step 3: Cross multiply
    140,425.87x = 210,595.05 × 46,909.75
  4. Step 4: Simplify right side
    140,425.87x = 9,878,961,146.74
  5. Step 5: Solve for x
    x = 9,878,961,146.74/140,425.87
  6. Step 6: Final answer
    x = 70,350.01

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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.