Home / 330,561.86-456,203.04-185,365.34

Finding the Fourth Proportional to 330,561.86, 456,203.04 and 185,365.34

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Solution

The fourth proportional to 330,561.86, 456,203.04 and 185,365.34 is: 255,819.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,561.86 : 456,203.04 = 185,365.34 : x
  2. Step 2: Convert to fraction form
    330,561.86/456,203.04 = 185,365.34/x
  3. Step 3: Cross multiply
    330,561.86x = 456,203.04 × 185,365.34
  4. Step 4: Simplify right side
    330,561.86x = 84,564,229,070.19
  5. Step 5: Solve for x
    x = 84,564,229,070.19/330,561.86
  6. Step 6: Final answer
    x = 255,819.68

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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.