Home / 157,075.88-235,613.84-67,105.76

Finding the Fourth Proportional to 157,075.88, 235,613.84 and 67,105.76

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Solution

The fourth proportional to 157,075.88, 235,613.84 and 67,105.76 is: 100,658.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,075.88 : 235,613.84 = 67,105.76 : x
  2. Step 2: Convert to fraction form
    157,075.88/235,613.84 = 67,105.76/x
  3. Step 3: Cross multiply
    157,075.88x = 235,613.84 × 67,105.76
  4. Step 4: Simplify right side
    157,075.88x = 15,811,044,286.12
  5. Step 5: Solve for x
    x = 15,811,044,286.12/157,075.88
  6. Step 6: Final answer
    x = 100,658.64

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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.