Home / 157,529.88-235,290.54-142,514.04

Finding the Fourth Proportional to 157,529.88, 235,290.54 and 142,514.04

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Solution

The fourth proportional to 157,529.88, 235,290.54 and 142,514.04 is: 212,862.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,529.88 : 235,290.54 = 142,514.04 : x
  2. Step 2: Convert to fraction form
    157,529.88/235,290.54 = 142,514.04/x
  3. Step 3: Cross multiply
    157,529.88x = 235,290.54 × 142,514.04
  4. Step 4: Simplify right side
    157,529.88x = 33,532,205,429.18
  5. Step 5: Solve for x
    x = 33,532,205,429.18/157,529.88
  6. Step 6: Final answer
    x = 212,862.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.