Home / 207,122.74-310,737.57-94,749.28

Finding the Fourth Proportional to 207,122.74, 310,737.57 and 94,749.28

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Solution

The fourth proportional to 207,122.74, 310,737.57 and 94,749.28 is: 142,148.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,122.74 : 310,737.57 = 94,749.28 : x
  2. Step 2: Convert to fraction form
    207,122.74/310,737.57 = 94,749.28/x
  3. Step 3: Cross multiply
    207,122.74x = 310,737.57 × 94,749.28
  4. Step 4: Simplify right side
    207,122.74x = 29,442,161,026.45
  5. Step 5: Solve for x
    x = 29,442,161,026.45/207,122.74
  6. Step 6: Final answer
    x = 142,148.38

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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.