Home / 116,468.16-174,524.02-78,376.36

Finding the Fourth Proportional to 116,468.16, 174,524.02 and 78,376.36

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Solution

The fourth proportional to 116,468.16, 174,524.02 and 78,376.36 is: 117,444.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,468.16 : 174,524.02 = 78,376.36 : x
  2. Step 2: Convert to fraction form
    116,468.16/174,524.02 = 78,376.36/x
  3. Step 3: Cross multiply
    116,468.16x = 174,524.02 × 78,376.36
  4. Step 4: Simplify right side
    116,468.16x = 13,678,557,420.17
  5. Step 5: Solve for x
    x = 13,678,557,420.17/116,468.16
  6. Step 6: Final answer
    x = 117,444.61

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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.