Home / 104,263.12-143,882.56-56,516.32

Finding the Fourth Proportional to 104,263.12, 143,882.56 and 56,516.32

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Solution

The fourth proportional to 104,263.12, 143,882.56 and 56,516.32 is: 77,992.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,263.12 : 143,882.56 = 56,516.32 : x
  2. Step 2: Convert to fraction form
    104,263.12/143,882.56 = 56,516.32/x
  3. Step 3: Cross multiply
    104,263.12x = 143,882.56 × 56,516.32
  4. Step 4: Simplify right side
    104,263.12x = 8,131,712,803.38
  5. Step 5: Solve for x
    x = 8,131,712,803.38/104,263.12
  6. Step 6: Final answer
    x = 77,992.23

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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.