Home / 330,278.04-455,784.57-194,317.11

Finding the Fourth Proportional to 330,278.04, 455,784.57 and 194,317.11

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Solution

The fourth proportional to 330,278.04, 455,784.57 and 194,317.11 is: 268,158.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,278.04 : 455,784.57 = 194,317.11 : x
  2. Step 2: Convert to fraction form
    330,278.04/455,784.57 = 194,317.11/x
  3. Step 3: Cross multiply
    330,278.04x = 455,784.57 × 194,317.11
  4. Step 4: Simplify right side
    330,278.04x = 88,566,740,424.99
  5. Step 5: Solve for x
    x = 88,566,740,424.99/330,278.04
  6. Step 6: Final answer
    x = 268,158.13

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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.