Home / 269,931.10-405,261.45-157,726.30

Finding the Fourth Proportional to 269,931.10, 405,261.45 and 157,726.30

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Solution

The fourth proportional to 269,931.10, 405,261.45 and 157,726.30 is: 236,802.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,931.10 : 405,261.45 = 157,726.30 : x
  2. Step 2: Convert to fraction form
    269,931.10/405,261.45 = 157,726.30/x
  3. Step 3: Cross multiply
    269,931.10x = 405,261.45 × 157,726.30
  4. Step 4: Simplify right side
    269,931.10x = 63,920,389,041.14
  5. Step 5: Solve for x
    x = 63,920,389,041.14/269,931.10
  6. Step 6: Final answer
    x = 236,802.61

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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.