Home / 161,515.50-222,870.33-89,898.54

Finding the Fourth Proportional to 161,515.50, 222,870.33 and 89,898.54

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Solution

The fourth proportional to 161,515.50, 222,870.33 and 89,898.54 is: 124,048.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,515.50 : 222,870.33 = 89,898.54 : x
  2. Step 2: Convert to fraction form
    161,515.50/222,870.33 = 89,898.54/x
  3. Step 3: Cross multiply
    161,515.50x = 222,870.33 × 89,898.54
  4. Step 4: Simplify right side
    161,515.50x = 20,035,717,276.32
  5. Step 5: Solve for x
    x = 20,035,717,276.32/161,515.50
  6. Step 6: Final answer
    x = 124,048.26

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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.