Home / 157,228.12-235,645.33-123,816.22

Finding the Fourth Proportional to 157,228.12, 235,645.33 and 123,816.22

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Solution

The fourth proportional to 157,228.12, 235,645.33 and 123,816.22 is: 185,569.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,228.12 : 235,645.33 = 123,816.22 : x
  2. Step 2: Convert to fraction form
    157,228.12/235,645.33 = 123,816.22/x
  3. Step 3: Cross multiply
    157,228.12x = 235,645.33 × 123,816.22
  4. Step 4: Simplify right side
    157,228.12x = 29,176,714,021.25
  5. Step 5: Solve for x
    x = 29,176,714,021.25/157,228.12
  6. Step 6: Final answer
    x = 185,569.31

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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.