Home / 147,159.44-203,074.02-83,495.87

Finding the Fourth Proportional to 147,159.44, 203,074.02 and 83,495.87

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Solution

The fourth proportional to 147,159.44, 203,074.02 and 83,495.87 is: 115,220.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,159.44 : 203,074.02 = 83,495.87 : x
  2. Step 2: Convert to fraction form
    147,159.44/203,074.02 = 83,495.87/x
  3. Step 3: Cross multiply
    147,159.44x = 203,074.02 × 83,495.87
  4. Step 4: Simplify right side
    147,159.44x = 16,955,840,958.93
  5. Step 5: Solve for x
    x = 16,955,840,958.93/147,159.44
  6. Step 6: Final answer
    x = 115,220.89

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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.