Home / 106,221.02-159,488.57-70,902.39

Finding the Fourth Proportional to 106,221.02, 159,488.57 and 70,902.39

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Solution

The fourth proportional to 106,221.02, 159,488.57 and 70,902.39 is: 106,458.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,221.02 : 159,488.57 = 70,902.39 : x
  2. Step 2: Convert to fraction form
    106,221.02/159,488.57 = 70,902.39/x
  3. Step 3: Cross multiply
    106,221.02x = 159,488.57 × 70,902.39
  4. Step 4: Simplify right side
    106,221.02x = 11,308,120,967.94
  5. Step 5: Solve for x
    x = 11,308,120,967.94/106,221.02
  6. Step 6: Final answer
    x = 106,458.41

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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.