Home / 160,074.90-240,257.70-85,258.44

Finding the Fourth Proportional to 160,074.90, 240,257.70 and 85,258.44

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Solution

The fourth proportional to 160,074.90, 240,257.70 and 85,258.44 is: 127,965.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,074.90 : 240,257.70 = 85,258.44 : x
  2. Step 2: Convert to fraction form
    160,074.90/240,257.70 = 85,258.44/x
  3. Step 3: Cross multiply
    160,074.90x = 240,257.70 × 85,258.44
  4. Step 4: Simplify right side
    160,074.90x = 20,483,996,699.99
  5. Step 5: Solve for x
    x = 20,483,996,699.99/160,074.90
  6. Step 6: Final answer
    x = 127,965.08

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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.