Home / 144,897.12-217,381.68-51,412.32

Finding the Fourth Proportional to 144,897.12, 217,381.68 and 51,412.32

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Solution

The fourth proportional to 144,897.12, 217,381.68 and 51,412.32 is: 77,131.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,897.12 : 217,381.68 = 51,412.32 : x
  2. Step 2: Convert to fraction form
    144,897.12/217,381.68 = 51,412.32/x
  3. Step 3: Cross multiply
    144,897.12x = 217,381.68 × 51,412.32
  4. Step 4: Simplify right side
    144,897.12x = 11,176,096,494.30
  5. Step 5: Solve for x
    x = 11,176,096,494.30/144,897.12
  6. Step 6: Final answer
    x = 77,131.25

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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.