Home / 144,548.64-216,821.72-112,985.24

Finding the Fourth Proportional to 144,548.64, 216,821.72 and 112,985.24

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Solution

The fourth proportional to 144,548.64, 216,821.72 and 112,985.24 is: 169,476.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,548.64 : 216,821.72 = 112,985.24 : x
  2. Step 2: Convert to fraction form
    144,548.64/216,821.72 = 112,985.24/x
  3. Step 3: Cross multiply
    144,548.64x = 216,821.72 × 112,985.24
  4. Step 4: Simplify right side
    144,548.64x = 24,497,654,071.41
  5. Step 5: Solve for x
    x = 24,497,654,071.41/144,548.64
  6. Step 6: Final answer
    x = 169,476.89

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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.