Home / 114,951.45-172,269.99-86,848.50

Finding the Fourth Proportional to 114,951.45, 172,269.99 and 86,848.50

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Solution

The fourth proportional to 114,951.45, 172,269.99 and 86,848.50 is: 130,153.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,951.45 : 172,269.99 = 86,848.50 : x
  2. Step 2: Convert to fraction form
    114,951.45/172,269.99 = 86,848.50/x
  3. Step 3: Cross multiply
    114,951.45x = 172,269.99 × 86,848.50
  4. Step 4: Simplify right side
    114,951.45x = 14,961,390,872.53
  5. Step 5: Solve for x
    x = 14,961,390,872.53/114,951.45
  6. Step 6: Final answer
    x = 130,153.99

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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.