Home / 149,981.19-223,648.95-148,631.06

Finding the Fourth Proportional to 149,981.19, 223,648.95 and 148,631.06

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Solution

The fourth proportional to 149,981.19, 223,648.95 and 148,631.06 is: 221,635.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,981.19 : 223,648.95 = 148,631.06 : x
  2. Step 2: Convert to fraction form
    149,981.19/223,648.95 = 148,631.06/x
  3. Step 3: Cross multiply
    149,981.19x = 223,648.95 × 148,631.06
  4. Step 4: Simplify right side
    149,981.19x = 33,241,179,388.14
  5. Step 5: Solve for x
    x = 33,241,179,388.14/149,981.19
  6. Step 6: Final answer
    x = 221,635.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.