Home / 461,134.02-636,366.08-257,198.15

Finding the Fourth Proportional to 461,134.02, 636,366.08 and 257,198.15

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Solution

The fourth proportional to 461,134.02, 636,366.08 and 257,198.15 is: 354,934.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,134.02 : 636,366.08 = 257,198.15 : x
  2. Step 2: Convert to fraction form
    461,134.02/636,366.08 = 257,198.15/x
  3. Step 3: Cross multiply
    461,134.02x = 636,366.08 × 257,198.15
  4. Step 4: Simplify right side
    461,134.02x = 163,672,178,498.75
  5. Step 5: Solve for x
    x = 163,672,178,498.75/461,134.02
  6. Step 6: Final answer
    x = 354,934.08

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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.