Home / 104,186.14-143,776.69-56,440.69

Finding the Fourth Proportional to 104,186.14, 143,776.69 and 56,440.69

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Solution

The fourth proportional to 104,186.14, 143,776.69 and 56,440.69 is: 77,888.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,186.14 : 143,776.69 = 56,440.69 : x
  2. Step 2: Convert to fraction form
    104,186.14/143,776.69 = 56,440.69/x
  3. Step 3: Cross multiply
    104,186.14x = 143,776.69 × 56,440.69
  4. Step 4: Simplify right side
    104,186.14x = 8,114,855,589.52
  5. Step 5: Solve for x
    x = 8,114,855,589.52/104,186.14
  6. Step 6: Final answer
    x = 77,888.05

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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.