Home / 103,943.05-143,441.42-56,196.38

Finding the Fourth Proportional to 103,943.05, 143,441.42 and 56,196.38

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Solution

The fourth proportional to 103,943.05, 143,441.42 and 56,196.38 is: 77,551.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,943.05 : 143,441.42 = 56,196.38 : x
  2. Step 2: Convert to fraction form
    103,943.05/143,441.42 = 56,196.38/x
  3. Step 3: Cross multiply
    103,943.05x = 143,441.42 × 56,196.38
  4. Step 4: Simplify right side
    103,943.05x = 8,060,888,265.08
  5. Step 5: Solve for x
    x = 8,060,888,265.08/103,943.05
  6. Step 6: Final answer
    x = 77,551.01

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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.