Home / 461,133.02-636,364.70-257,197.15

Finding the Fourth Proportional to 461,133.02, 636,364.70 and 257,197.15

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Solution

The fourth proportional to 461,133.02, 636,364.70 and 257,197.15 is: 354,932.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,133.02 : 636,364.70 = 257,197.15 : x
  2. Step 2: Convert to fraction form
    461,133.02/636,364.70 = 257,197.15/x
  3. Step 3: Cross multiply
    461,133.02x = 636,364.70 × 257,197.15
  4. Step 4: Simplify right side
    461,133.02x = 163,671,187,200.61
  5. Step 5: Solve for x
    x = 163,671,187,200.61/461,133.02
  6. Step 6: Final answer
    x = 354,932.70

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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.