Home / 148,048.98-204,312.84-84,376.50

Finding the Fourth Proportional to 148,048.98, 204,312.84 and 84,376.50

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Solution

The fourth proportional to 148,048.98, 204,312.84 and 84,376.50 is: 116,442.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,048.98 : 204,312.84 = 84,376.50 : x
  2. Step 2: Convert to fraction form
    148,048.98/204,312.84 = 84,376.50/x
  3. Step 3: Cross multiply
    148,048.98x = 204,312.84 × 84,376.50
  4. Step 4: Simplify right side
    148,048.98x = 17,239,202,344.26
  5. Step 5: Solve for x
    x = 17,239,202,344.26/148,048.98
  6. Step 6: Final answer
    x = 116,442.56

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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.