Home / 228,824.73-315,428.13-160,650.45

Finding the Fourth Proportional to 228,824.73, 315,428.13 and 160,650.45

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Solution

The fourth proportional to 228,824.73, 315,428.13 and 160,650.45 is: 221,451.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,824.73 : 315,428.13 = 160,650.45 : x
  2. Step 2: Convert to fraction form
    228,824.73/315,428.13 = 160,650.45/x
  3. Step 3: Cross multiply
    228,824.73x = 315,428.13 × 160,650.45
  4. Step 4: Simplify right side
    228,824.73x = 50,673,671,027.16
  5. Step 5: Solve for x
    x = 50,673,671,027.16/228,824.73
  6. Step 6: Final answer
    x = 221,451.90

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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.