Home / 120,867.29-166,802.05-67,152.31

Finding the Fourth Proportional to 120,867.29, 166,802.05 and 67,152.31

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Solution

The fourth proportional to 120,867.29, 166,802.05 and 67,152.31 is: 92,673.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,867.29 : 166,802.05 = 67,152.31 : x
  2. Step 2: Convert to fraction form
    120,867.29/166,802.05 = 67,152.31/x
  3. Step 3: Cross multiply
    120,867.29x = 166,802.05 × 67,152.31
  4. Step 4: Simplify right side
    120,867.29x = 11,201,142,136.23
  5. Step 5: Solve for x
    x = 11,201,142,136.23/120,867.29
  6. Step 6: Final answer
    x = 92,673.06

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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.