Home / 131,124.46-197,061.52-122,239.47

Finding the Fourth Proportional to 131,124.46, 197,061.52 and 122,239.47

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Solution

The fourth proportional to 131,124.46, 197,061.52 and 122,239.47 is: 183,708.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,124.46 : 197,061.52 = 122,239.47 : x
  2. Step 2: Convert to fraction form
    131,124.46/197,061.52 = 122,239.47/x
  3. Step 3: Cross multiply
    131,124.46x = 197,061.52 × 122,239.47
  4. Step 4: Simplify right side
    131,124.46x = 24,088,695,762.19
  5. Step 5: Solve for x
    x = 24,088,695,762.19/131,124.46
  6. Step 6: Final answer
    x = 183,708.64

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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.