Home / 157,075.96-235,660.38-90,563.80

Finding the Fourth Proportional to 157,075.96, 235,660.38 and 90,563.80

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Solution

The fourth proportional to 157,075.96, 235,660.38 and 90,563.80 is: 135,872.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,075.96 : 235,660.38 = 90,563.80 : x
  2. Step 2: Convert to fraction form
    157,075.96/235,660.38 = 90,563.80/x
  3. Step 3: Cross multiply
    157,075.96x = 235,660.38 × 90,563.80
  4. Step 4: Simplify right side
    157,075.96x = 21,342,299,522.24
  5. Step 5: Solve for x
    x = 21,342,299,522.24/157,075.96
  6. Step 6: Final answer
    x = 135,872.48

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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.