Home / 144,165.74-216,326.16-59,984

Finding the Fourth Proportional to 144,165.74, 216,326.16 and 59,984

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Solution

The fourth proportional to 144,165.74, 216,326.16 and 59,984 is: 90,008.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,165.74 : 216,326.16 = 59,984 : x
  2. Step 2: Convert to fraction form
    144,165.74/216,326.16 = 59,984/x
  3. Step 3: Cross multiply
    144,165.74x = 216,326.16 × 59,984
  4. Step 4: Simplify right side
    144,165.74x = 12,976,108,381.44
  5. Step 5: Solve for x
    x = 12,976,108,381.44/144,165.74
  6. Step 6: Final answer
    x = 90,008.27

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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.