Home / 219,809.02-303,342.60-124,330.36

Finding the Fourth Proportional to 219,809.02, 303,342.60 and 124,330.36

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Solution

The fourth proportional to 219,809.02, 303,342.60 and 124,330.36 is: 171,579.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,809.02 : 303,342.60 = 124,330.36 : x
  2. Step 2: Convert to fraction form
    219,809.02/303,342.60 = 124,330.36/x
  3. Step 3: Cross multiply
    219,809.02x = 303,342.60 × 124,330.36
  4. Step 4: Simplify right side
    219,809.02x = 37,714,694,661.34
  5. Step 5: Solve for x
    x = 37,714,694,661.34/219,809.02
  6. Step 6: Final answer
    x = 171,579.38

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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.