Home / 147,388.70-203,550.80-101,567.48

Finding the Fourth Proportional to 147,388.70, 203,550.80 and 101,567.48

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Solution

The fourth proportional to 147,388.70, 203,550.80 and 101,567.48 is: 140,269.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,388.70 : 203,550.80 = 101,567.48 : x
  2. Step 2: Convert to fraction form
    147,388.70/203,550.80 = 101,567.48/x
  3. Step 3: Cross multiply
    147,388.70x = 203,550.80 × 101,567.48
  4. Step 4: Simplify right side
    147,388.70x = 20,674,141,807.98
  5. Step 5: Solve for x
    x = 20,674,141,807.98/147,388.70
  6. Step 6: Final answer
    x = 140,269.52

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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.