Home / 161,366.55-222,688.70-89,746.60

Finding the Fourth Proportional to 161,366.55, 222,688.70 and 89,746.60

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Solution

The fourth proportional to 161,366.55, 222,688.70 and 89,746.60 is: 123,851.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,366.55 : 222,688.70 = 89,746.60 : x
  2. Step 2: Convert to fraction form
    161,366.55/222,688.70 = 89,746.60/x
  3. Step 3: Cross multiply
    161,366.55x = 222,688.70 × 89,746.60
  4. Step 4: Simplify right side
    161,366.55x = 19,985,553,683.42
  5. Step 5: Solve for x
    x = 19,985,553,683.42/161,366.55
  6. Step 6: Final answer
    x = 123,851.90

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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.