Home / 146,726.72-202,483.70-86,299.90

Finding the Fourth Proportional to 146,726.72, 202,483.70 and 86,299.90

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Solution

The fourth proportional to 146,726.72, 202,483.70 and 86,299.90 is: 119,094.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,726.72 : 202,483.70 = 86,299.90 : x
  2. Step 2: Convert to fraction form
    146,726.72/202,483.70 = 86,299.90/x
  3. Step 3: Cross multiply
    146,726.72x = 202,483.70 × 86,299.90
  4. Step 4: Simplify right side
    146,726.72x = 17,474,323,061.63
  5. Step 5: Solve for x
    x = 17,474,323,061.63/146,726.72
  6. Step 6: Final answer
    x = 119,094.35

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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.