Home / 147,220.07-220,664.56-74,970.24

Finding the Fourth Proportional to 147,220.07, 220,664.56 and 74,970.24

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Solution

The fourth proportional to 147,220.07, 220,664.56 and 74,970.24 is: 112,371.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,220.07 : 220,664.56 = 74,970.24 : x
  2. Step 2: Convert to fraction form
    147,220.07/220,664.56 = 74,970.24/x
  3. Step 3: Cross multiply
    147,220.07x = 220,664.56 × 74,970.24
  4. Step 4: Simplify right side
    147,220.07x = 16,543,275,022.69
  5. Step 5: Solve for x
    x = 16,543,275,022.69/147,220.07
  6. Step 6: Final answer
    x = 112,371.06

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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.