Home / 147,954.02-221,986.89-88,830.90

Finding the Fourth Proportional to 147,954.02, 221,986.89 and 88,830.90

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Solution

The fourth proportional to 147,954.02, 221,986.89 and 88,830.90 is: 133,279.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,954.02 : 221,986.89 = 88,830.90 : x
  2. Step 2: Convert to fraction form
    147,954.02/221,986.89 = 88,830.90/x
  3. Step 3: Cross multiply
    147,954.02x = 221,986.89 × 88,830.90
  4. Step 4: Simplify right side
    147,954.02x = 19,719,295,226.90
  5. Step 5: Solve for x
    x = 19,719,295,226.90/147,954.02
  6. Step 6: Final answer
    x = 133,279.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.