Home / 109,530.90-151,157.24-61,784.23

Finding the Fourth Proportional to 109,530.90, 151,157.24 and 61,784.23

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Solution

The fourth proportional to 109,530.90, 151,157.24 and 61,784.23 is: 85,264.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,530.90 : 151,157.24 = 61,784.23 : x
  2. Step 2: Convert to fraction form
    109,530.90/151,157.24 = 61,784.23/x
  3. Step 3: Cross multiply
    109,530.90x = 151,157.24 × 61,784.23
  4. Step 4: Simplify right side
    109,530.90x = 9,339,133,682.33
  5. Step 5: Solve for x
    x = 9,339,133,682.33/109,530.90
  6. Step 6: Final answer
    x = 85,264.83

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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.