Home / 104,364.02-143,914.10-89,306.52

Finding the Fourth Proportional to 104,364.02, 143,914.10 and 89,306.52

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Solution

The fourth proportional to 104,364.02, 143,914.10 and 89,306.52 is: 123,150.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,364.02 : 143,914.10 = 89,306.52 : x
  2. Step 2: Convert to fraction form
    104,364.02/143,914.10 = 89,306.52/x
  3. Step 3: Cross multiply
    104,364.02x = 143,914.10 × 89,306.52
  4. Step 4: Simplify right side
    104,364.02x = 12,852,467,449.93
  5. Step 5: Solve for x
    x = 12,852,467,449.93/104,364.02
  6. Step 6: Final answer
    x = 123,150.37

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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.