Home / 330,464.16-456,030.08-194,466.78

Finding the Fourth Proportional to 330,464.16, 456,030.08 and 194,466.78

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Solution

The fourth proportional to 330,464.16, 456,030.08 and 194,466.78 is: 268,358.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,464.16 : 456,030.08 = 194,466.78 : x
  2. Step 2: Convert to fraction form
    330,464.16/456,030.08 = 194,466.78/x
  3. Step 3: Cross multiply
    330,464.16x = 456,030.08 × 194,466.78
  4. Step 4: Simplify right side
    330,464.16x = 88,682,701,240.74
  5. Step 5: Solve for x
    x = 88,682,701,240.74/330,464.16
  6. Step 6: Final answer
    x = 268,358.00

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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.