Home / 306,565.32-423,068.22-170,608.44

Finding the Fourth Proportional to 306,565.32, 423,068.22 and 170,608.44

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Solution

The fourth proportional to 306,565.32, 423,068.22 and 170,608.44 is: 235,444.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,565.32 : 423,068.22 = 170,608.44 : x
  2. Step 2: Convert to fraction form
    306,565.32/423,068.22 = 170,608.44/x
  3. Step 3: Cross multiply
    306,565.32x = 423,068.22 × 170,608.44
  4. Step 4: Simplify right side
    306,565.32x = 72,179,009,027.78
  5. Step 5: Solve for x
    x = 72,179,009,027.78/306,565.32
  6. Step 6: Final answer
    x = 235,444.14

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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.