Home / 109,553.22-151,184.06-61,157.34

Finding the Fourth Proportional to 109,553.22, 151,184.06 and 61,157.34

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Solution

The fourth proportional to 109,553.22, 151,184.06 and 61,157.34 is: 84,397.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,553.22 : 151,184.06 = 61,157.34 : x
  2. Step 2: Convert to fraction form
    109,553.22/151,184.06 = 61,157.34/x
  3. Step 3: Cross multiply
    109,553.22x = 151,184.06 × 61,157.34
  4. Step 4: Simplify right side
    109,553.22x = 9,246,014,960.00
  5. Step 5: Solve for x
    x = 9,246,014,960.00/109,553.22
  6. Step 6: Final answer
    x = 84,397.47

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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.