Home / 161,113.37-222,307.14-93,105.42

Finding the Fourth Proportional to 161,113.37, 222,307.14 and 93,105.42

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Solution

The fourth proportional to 161,113.37, 222,307.14 and 93,105.42 is: 128,468.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,113.37 : 222,307.14 = 93,105.42 : x
  2. Step 2: Convert to fraction form
    161,113.37/222,307.14 = 93,105.42/x
  3. Step 3: Cross multiply
    161,113.37x = 222,307.14 × 93,105.42
  4. Step 4: Simplify right side
    161,113.37x = 20,697,999,638.70
  5. Step 5: Solve for x
    x = 20,697,999,638.70/161,113.37
  6. Step 6: Final answer
    x = 128,468.54

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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.