Home / 152,723.16-228,887.15-85,253.53

Finding the Fourth Proportional to 152,723.16, 228,887.15 and 85,253.53

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Solution

The fourth proportional to 152,723.16, 228,887.15 and 85,253.53 is: 127,769.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,723.16 : 228,887.15 = 85,253.53 : x
  2. Step 2: Convert to fraction form
    152,723.16/228,887.15 = 85,253.53/x
  3. Step 3: Cross multiply
    152,723.16x = 228,887.15 × 85,253.53
  4. Step 4: Simplify right side
    152,723.16x = 19,513,437,722.34
  5. Step 5: Solve for x
    x = 19,513,437,722.34/152,723.16
  6. Step 6: Final answer
    x = 127,769.99

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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.