Home / 330,764.04-456,440.49-187,533.72

Finding the Fourth Proportional to 330,764.04, 456,440.49 and 187,533.72

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Solution

The fourth proportional to 330,764.04, 456,440.49 and 187,533.72 is: 258,788.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,764.04 : 456,440.49 = 187,533.72 : x
  2. Step 2: Convert to fraction form
    330,764.04/456,440.49 = 187,533.72/x
  3. Step 3: Cross multiply
    330,764.04x = 456,440.49 × 187,533.72
  4. Step 4: Simplify right side
    330,764.04x = 85,597,983,048.32
  5. Step 5: Solve for x
    x = 85,597,983,048.32/330,764.04
  6. Step 6: Final answer
    x = 258,788.66

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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.