Home / 168,772.32-232,903.44-93,319.20

Finding the Fourth Proportional to 168,772.32, 232,903.44 and 93,319.20

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Solution

The fourth proportional to 168,772.32, 232,903.44 and 93,319.20 is: 128,779.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,772.32 : 232,903.44 = 93,319.20 : x
  2. Step 2: Convert to fraction form
    168,772.32/232,903.44 = 93,319.20/x
  3. Step 3: Cross multiply
    168,772.32x = 232,903.44 × 93,319.20
  4. Step 4: Simplify right side
    168,772.32x = 21,734,362,698.05
  5. Step 5: Solve for x
    x = 21,734,362,698.05/168,772.32
  6. Step 6: Final answer
    x = 128,779.19

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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.