Home / 152,286.24-210,161.88-85,218.24

Finding the Fourth Proportional to 152,286.24, 210,161.88 and 85,218.24

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Solution

The fourth proportional to 152,286.24, 210,161.88 and 85,218.24 is: 117,605.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,286.24 : 210,161.88 = 85,218.24 : x
  2. Step 2: Convert to fraction form
    152,286.24/210,161.88 = 85,218.24/x
  3. Step 3: Cross multiply
    152,286.24x = 210,161.88 × 85,218.24
  4. Step 4: Simplify right side
    152,286.24x = 17,909,625,528.69
  5. Step 5: Solve for x
    x = 17,909,625,528.69/152,286.24
  6. Step 6: Final answer
    x = 117,605.01

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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.