Home / 330,575.60-456,192.54-187,362.72

Finding the Fourth Proportional to 330,575.60, 456,192.54 and 187,362.72

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Solution

The fourth proportional to 330,575.60, 456,192.54 and 187,362.72 is: 258,559.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,575.60 : 456,192.54 = 187,362.72 : x
  2. Step 2: Convert to fraction form
    330,575.60/456,192.54 = 187,362.72/x
  3. Step 3: Cross multiply
    330,575.60x = 456,192.54 × 187,362.72
  4. Step 4: Simplify right side
    330,575.60x = 85,473,475,138.11
  5. Step 5: Solve for x
    x = 85,473,475,138.11/330,575.60
  6. Step 6: Final answer
    x = 258,559.54

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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.