Home / 160,412.54-221,346.11-88,792.40

Finding the Fourth Proportional to 160,412.54, 221,346.11 and 88,792.40

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Solution

The fourth proportional to 160,412.54, 221,346.11 and 88,792.40 is: 122,520.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,412.54 : 221,346.11 = 88,792.40 : x
  2. Step 2: Convert to fraction form
    160,412.54/221,346.11 = 88,792.40/x
  3. Step 3: Cross multiply
    160,412.54x = 221,346.11 × 88,792.40
  4. Step 4: Simplify right side
    160,412.54x = 19,653,850,786.87
  5. Step 5: Solve for x
    x = 19,653,850,786.87/160,412.54
  6. Step 6: Final answer
    x = 122,520.67

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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.