Home / 157,778.74-236,315.08-73,412.49

Finding the Fourth Proportional to 157,778.74, 236,315.08 and 73,412.49

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Solution

The fourth proportional to 157,778.74, 236,315.08 and 73,412.49 is: 109,954.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,778.74 : 236,315.08 = 73,412.49 : x
  2. Step 2: Convert to fraction form
    157,778.74/236,315.08 = 73,412.49/x
  3. Step 3: Cross multiply
    157,778.74x = 236,315.08 × 73,412.49
  4. Step 4: Simplify right side
    157,778.74x = 17,348,478,447.35
  5. Step 5: Solve for x
    x = 17,348,478,447.35/157,778.74
  6. Step 6: Final answer
    x = 109,954.47

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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.