Home / 161,718.50-223,173.70-93,740.34

Finding the Fourth Proportional to 161,718.50, 223,173.70 and 93,740.34

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Solution

The fourth proportional to 161,718.50, 223,173.70 and 93,740.34 is: 129,362.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,718.50 : 223,173.70 = 93,740.34 : x
  2. Step 2: Convert to fraction form
    161,718.50/223,173.70 = 93,740.34/x
  3. Step 3: Cross multiply
    161,718.50x = 223,173.70 × 93,740.34
  4. Step 4: Simplify right side
    161,718.50x = 20,920,378,517.06
  5. Step 5: Solve for x
    x = 20,920,378,517.06/161,718.50
  6. Step 6: Final answer
    x = 129,362.93

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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.