Home / 325,134.72-487,359-175,334.22

Finding the Fourth Proportional to 325,134.72, 487,359 and 175,334.22

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Solution

The fourth proportional to 325,134.72, 487,359 and 175,334.22 is: 262,816.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,134.72 : 487,359 = 175,334.22 : x
  2. Step 2: Convert to fraction form
    325,134.72/487,359 = 175,334.22/x
  3. Step 3: Cross multiply
    325,134.72x = 487,359 × 175,334.22
  4. Step 4: Simplify right side
    325,134.72x = 85,450,710,124.98
  5. Step 5: Solve for x
    x = 85,450,710,124.98/325,134.72
  6. Step 6: Final answer
    x = 262,816.32

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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.