Home / 157,389.84-236,015.28-45,044.46

Finding the Fourth Proportional to 157,389.84, 236,015.28 and 45,044.46

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Solution

The fourth proportional to 157,389.84, 236,015.28 and 45,044.46 is: 67,546.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,389.84 : 236,015.28 = 45,044.46 : x
  2. Step 2: Convert to fraction form
    157,389.84/236,015.28 = 45,044.46/x
  3. Step 3: Cross multiply
    157,389.84x = 236,015.28 × 45,044.46
  4. Step 4: Simplify right side
    157,389.84x = 10,631,180,839.35
  5. Step 5: Solve for x
    x = 10,631,180,839.35/157,389.84
  6. Step 6: Final answer
    x = 67,546.81

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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.