Home / 152,985.85-211,134.71-92,571.39

Finding the Fourth Proportional to 152,985.85, 211,134.71 and 92,571.39

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Solution

The fourth proportional to 152,985.85, 211,134.71 and 92,571.39 is: 127,757.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,985.85 : 211,134.71 = 92,571.39 : x
  2. Step 2: Convert to fraction form
    152,985.85/211,134.71 = 92,571.39/x
  3. Step 3: Cross multiply
    152,985.85x = 211,134.71 × 92,571.39
  4. Step 4: Simplify right side
    152,985.85x = 19,545,033,813.38
  5. Step 5: Solve for x
    x = 19,545,033,813.38/152,985.85
  6. Step 6: Final answer
    x = 127,757.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.