Home / 140,700.15-211,061.21-40,861.98

Finding the Fourth Proportional to 140,700.15, 211,061.21 and 40,861.98

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Solution

The fourth proportional to 140,700.15, 211,061.21 and 40,861.98 is: 61,296.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,700.15 : 211,061.21 = 40,861.98 : x
  2. Step 2: Convert to fraction form
    140,700.15/211,061.21 = 40,861.98/x
  3. Step 3: Cross multiply
    140,700.15x = 211,061.21 × 40,861.98
  4. Step 4: Simplify right side
    140,700.15x = 8,624,378,737.49
  5. Step 5: Solve for x
    x = 8,624,378,737.49/140,700.15
  6. Step 6: Final answer
    x = 61,296.16

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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.