Home / 157,943.72-236,880.65-45,599.51

Finding the Fourth Proportional to 157,943.72, 236,880.65 and 45,599.51

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Solution

The fourth proportional to 157,943.72, 236,880.65 and 45,599.51 is: 68,389.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,943.72 : 236,880.65 = 45,599.51 : x
  2. Step 2: Convert to fraction form
    157,943.72/236,880.65 = 45,599.51/x
  3. Step 3: Cross multiply
    157,943.72x = 236,880.65 × 45,599.51
  4. Step 4: Simplify right side
    157,943.72x = 10,801,640,156.08
  5. Step 5: Solve for x
    x = 10,801,640,156.08/157,943.72
  6. Step 6: Final answer
    x = 68,389.17

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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.