Home / 114,126.93-157,516.79-76,466.61

Finding the Fourth Proportional to 114,126.93, 157,516.79 and 76,466.61

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Solution

The fourth proportional to 114,126.93, 157,516.79 and 76,466.61 is: 105,538.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,126.93 : 157,516.79 = 76,466.61 : x
  2. Step 2: Convert to fraction form
    114,126.93/157,516.79 = 76,466.61/x
  3. Step 3: Cross multiply
    114,126.93x = 157,516.79 × 76,466.61
  4. Step 4: Simplify right side
    114,126.93x = 12,044,774,567.05
  5. Step 5: Solve for x
    x = 12,044,774,567.05/114,126.93
  6. Step 6: Final answer
    x = 105,538.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.