Home / 126,927.74-190,391.61-64,641.98

Finding the Fourth Proportional to 126,927.74, 190,391.61 and 64,641.98

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Solution

The fourth proportional to 126,927.74, 190,391.61 and 64,641.98 is: 96,962.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,927.74 : 190,391.61 = 64,641.98 : x
  2. Step 2: Convert to fraction form
    126,927.74/190,391.61 = 64,641.98/x
  3. Step 3: Cross multiply
    126,927.74x = 190,391.61 × 64,641.98
  4. Step 4: Simplify right side
    126,927.74x = 12,307,289,693.83
  5. Step 5: Solve for x
    x = 12,307,289,693.83/126,927.74
  6. Step 6: Final answer
    x = 96,962.97

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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.