Home / 104,165.02-143,747.96-56,418.38

Finding the Fourth Proportional to 104,165.02, 143,747.96 and 56,418.38

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Solution

The fourth proportional to 104,165.02, 143,747.96 and 56,418.38 is: 77,857.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,165.02 : 143,747.96 = 56,418.38 : x
  2. Step 2: Convert to fraction form
    104,165.02/143,747.96 = 56,418.38/x
  3. Step 3: Cross multiply
    104,165.02x = 143,747.96 × 56,418.38
  4. Step 4: Simplify right side
    104,165.02x = 8,110,026,030.67
  5. Step 5: Solve for x
    x = 8,110,026,030.67/104,165.02
  6. Step 6: Final answer
    x = 77,857.48

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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.