Home / 157,408.07-236,181.65-82,510.29

Finding the Fourth Proportional to 157,408.07, 236,181.65 and 82,510.29

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Solution

The fourth proportional to 157,408.07, 236,181.65 and 82,510.29 is: 123,801.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,408.07 : 236,181.65 = 82,510.29 : x
  2. Step 2: Convert to fraction form
    157,408.07/236,181.65 = 82,510.29/x
  3. Step 3: Cross multiply
    157,408.07x = 236,181.65 × 82,510.29
  4. Step 4: Simplify right side
    157,408.07x = 19,487,416,021.63
  5. Step 5: Solve for x
    x = 19,487,416,021.63/157,408.07
  6. Step 6: Final answer
    x = 123,801.89

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1.5x scale

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.