Home / 104,246.89-143,860.62-56,500.23

Finding the Fourth Proportional to 104,246.89, 143,860.62 and 56,500.23

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Solution

The fourth proportional to 104,246.89, 143,860.62 and 56,500.23 is: 77,970.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,246.89 : 143,860.62 = 56,500.23 : x
  2. Step 2: Convert to fraction form
    104,246.89/143,860.62 = 56,500.23/x
  3. Step 3: Cross multiply
    104,246.89x = 143,860.62 × 56,500.23
  4. Step 4: Simplify right side
    104,246.89x = 8,128,157,398.64
  5. Step 5: Solve for x
    x = 8,128,157,398.64/104,246.89
  6. Step 6: Final answer
    x = 77,970.26

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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.