Home / 161,802.11-223,280.81-93,821.94

Finding the Fourth Proportional to 161,802.11, 223,280.81 and 93,821.94

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Solution

The fourth proportional to 161,802.11, 223,280.81 and 93,821.94 is: 129,470.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,802.11 : 223,280.81 = 93,821.94 : x
  2. Step 2: Convert to fraction form
    161,802.11/223,280.81 = 93,821.94/x
  3. Step 3: Cross multiply
    161,802.11x = 223,280.81 × 93,821.94
  4. Step 4: Simplify right side
    161,802.11x = 20,948,638,289.86
  5. Step 5: Solve for x
    x = 20,948,638,289.86/161,802.11
  6. Step 6: Final answer
    x = 129,470.74

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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.