Home / 100,935.70-151,403.55-63,610.90

Finding the Fourth Proportional to 100,935.70, 151,403.55 and 63,610.90

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Solution

The fourth proportional to 100,935.70, 151,403.55 and 63,610.90 is: 95,416.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,935.70 : 151,403.55 = 63,610.90 : x
  2. Step 2: Convert to fraction form
    100,935.70/151,403.55 = 63,610.90/x
  3. Step 3: Cross multiply
    100,935.70x = 151,403.55 × 63,610.90
  4. Step 4: Simplify right side
    100,935.70x = 9,630,916,078.70
  5. Step 5: Solve for x
    x = 9,630,916,078.70/100,935.70
  6. Step 6: Final answer
    x = 95,416.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.