Home / 325,167.41-487,630.01-111,875.78

Finding the Fourth Proportional to 325,167.41, 487,630.01 and 111,875.78

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Solution

The fourth proportional to 325,167.41, 487,630.01 and 111,875.78 is: 167,772.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,167.41 : 487,630.01 = 111,875.78 : x
  2. Step 2: Convert to fraction form
    325,167.41/487,630.01 = 111,875.78/x
  3. Step 3: Cross multiply
    325,167.41x = 487,630.01 × 111,875.78
  4. Step 4: Simplify right side
    325,167.41x = 54,553,984,722.63
  5. Step 5: Solve for x
    x = 54,553,984,722.63/325,167.41
  6. Step 6: Final answer
    x = 167,772.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.