Home / 161,307.04-222,539.78-93,311.40

Finding the Fourth Proportional to 161,307.04, 222,539.78 and 93,311.40

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Solution

The fourth proportional to 161,307.04, 222,539.78 and 93,311.40 is: 128,732.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,307.04 : 222,539.78 = 93,311.40 : x
  2. Step 2: Convert to fraction form
    161,307.04/222,539.78 = 93,311.40/x
  3. Step 3: Cross multiply
    161,307.04x = 222,539.78 × 93,311.40
  4. Step 4: Simplify right side
    161,307.04x = 20,765,498,427.49
  5. Step 5: Solve for x
    x = 20,765,498,427.49/161,307.04
  6. Step 6: Final answer
    x = 128,732.75

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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.