Home / 330,036.76-455,458.98-179,133.40

Finding the Fourth Proportional to 330,036.76, 455,458.98 and 179,133.40

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Solution

The fourth proportional to 330,036.76, 455,458.98 and 179,133.40 is: 247,208.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,036.76 : 455,458.98 = 179,133.40 : x
  2. Step 2: Convert to fraction form
    330,036.76/455,458.98 = 179,133.40/x
  3. Step 3: Cross multiply
    330,036.76x = 455,458.98 × 179,133.40
  4. Step 4: Simplify right side
    330,036.76x = 81,587,915,647.93
  5. Step 5: Solve for x
    x = 81,587,915,647.93/330,036.76
  6. Step 6: Final answer
    x = 247,208.57

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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.