Home / 157,782.36-236,638.17-45,437.52

Finding the Fourth Proportional to 157,782.36, 236,638.17 and 45,437.52

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Solution

The fourth proportional to 157,782.36, 236,638.17 and 45,437.52 is: 68,146.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,782.36 : 236,638.17 = 45,437.52 : x
  2. Step 2: Convert to fraction form
    157,782.36/236,638.17 = 45,437.52/x
  3. Step 3: Cross multiply
    157,782.36x = 236,638.17 × 45,437.52
  4. Step 4: Simplify right side
    157,782.36x = 10,752,251,582.14
  5. Step 5: Solve for x
    x = 10,752,251,582.14/157,782.36
  6. Step 6: Final answer
    x = 68,146.09

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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.