Home / 330,342.14-455,904.12-185,172.58

Finding the Fourth Proportional to 330,342.14, 455,904.12 and 185,172.58

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Solution

The fourth proportional to 330,342.14, 455,904.12 and 185,172.58 is: 255,556.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,342.14 : 455,904.12 = 185,172.58 : x
  2. Step 2: Convert to fraction form
    330,342.14/455,904.12 = 185,172.58/x
  3. Step 3: Cross multiply
    330,342.14x = 455,904.12 × 185,172.58
  4. Step 4: Simplify right side
    330,342.14x = 84,420,938,927.65
  5. Step 5: Solve for x
    x = 84,420,938,927.65/330,342.14
  6. Step 6: Final answer
    x = 255,556.07

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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.