Home / 109,973.22-151,669.44-74,116.14

Finding the Fourth Proportional to 109,973.22, 151,669.44 and 74,116.14

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Solution

The fourth proportional to 109,973.22, 151,669.44 and 74,116.14 is: 102,217.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,973.22 : 151,669.44 = 74,116.14 : x
  2. Step 2: Convert to fraction form
    109,973.22/151,669.44 = 74,116.14/x
  3. Step 3: Cross multiply
    109,973.22x = 151,669.44 × 74,116.14
  4. Step 4: Simplify right side
    109,973.22x = 11,241,153,448.76
  5. Step 5: Solve for x
    x = 11,241,153,448.76/109,973.22
  6. Step 6: Final answer
    x = 102,217.19

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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.