Home / 330,378.86-455,884.14-194,382.92

Finding the Fourth Proportional to 330,378.86, 455,884.14 and 194,382.92

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Solution

The fourth proportional to 330,378.86, 455,884.14 and 194,382.92 is: 268,225.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,378.86 : 455,884.14 = 194,382.92 : x
  2. Step 2: Convert to fraction form
    330,378.86/455,884.14 = 194,382.92/x
  3. Step 3: Cross multiply
    330,378.86x = 455,884.14 × 194,382.92
  4. Step 4: Simplify right side
    330,378.86x = 88,616,090,314.89
  5. Step 5: Solve for x
    x = 88,616,090,314.89/330,378.86
  6. Step 6: Final answer
    x = 268,225.67

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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.