Home / 325,029.06-487,417.23-111,756.47

Finding the Fourth Proportional to 325,029.06, 487,417.23 and 111,756.47

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Solution

The fourth proportional to 325,029.06, 487,417.23 and 111,756.47 is: 167,591.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,029.06 : 487,417.23 = 111,756.47 : x
  2. Step 2: Convert to fraction form
    325,029.06/487,417.23 = 111,756.47/x
  3. Step 3: Cross multiply
    325,029.06x = 487,417.23 × 111,756.47
  4. Step 4: Simplify right side
    325,029.06x = 54,472,026,604.89
  5. Step 5: Solve for x
    x = 54,472,026,604.89/325,029.06
  6. Step 6: Final answer
    x = 167,591.25

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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.