Home / 178,603.74-246,434.67-103,108.50

Finding the Fourth Proportional to 178,603.74, 246,434.67 and 103,108.50

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Solution

The fourth proportional to 178,603.74, 246,434.67 and 103,108.50 is: 142,267.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,603.74 : 246,434.67 = 103,108.50 : x
  2. Step 2: Convert to fraction form
    178,603.74/246,434.67 = 103,108.50/x
  3. Step 3: Cross multiply
    178,603.74x = 246,434.67 × 103,108.50
  4. Step 4: Simplify right side
    178,603.74x = 25,409,509,171.70
  5. Step 5: Solve for x
    x = 25,409,509,171.70/178,603.74
  6. Step 6: Final answer
    x = 142,267.51

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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.