Home / 147,710.12-221,487.41-100,976.36

Finding the Fourth Proportional to 147,710.12, 221,487.41 and 100,976.36

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Solution

The fourth proportional to 147,710.12, 221,487.41 and 100,976.36 is: 151,411.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,710.12 : 221,487.41 = 100,976.36 : x
  2. Step 2: Convert to fraction form
    147,710.12/221,487.41 = 100,976.36/x
  3. Step 3: Cross multiply
    147,710.12x = 221,487.41 × 100,976.36
  4. Step 4: Simplify right side
    147,710.12x = 22,364,991,592.63
  5. Step 5: Solve for x
    x = 22,364,991,592.63/147,710.12
  6. Step 6: Final answer
    x = 151,411.37

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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.