Home / 157,483.80-235,507.50-117,531

Finding the Fourth Proportional to 157,483.80, 235,507.50 and 117,531

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Solution

The fourth proportional to 157,483.80, 235,507.50 and 117,531 is: 175,760.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,483.80 : 235,507.50 = 117,531 : x
  2. Step 2: Convert to fraction form
    157,483.80/235,507.50 = 117,531/x
  3. Step 3: Cross multiply
    157,483.80x = 235,507.50 × 117,531
  4. Step 4: Simplify right side
    157,483.80x = 27,679,431,982.50
  5. Step 5: Solve for x
    x = 27,679,431,982.50/157,483.80
  6. Step 6: Final answer
    x = 175,760.50

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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.