Home / 144,491.19-216,714.91-39,318.36

Finding the Fourth Proportional to 144,491.19, 216,714.91 and 39,318.36

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Solution

The fourth proportional to 144,491.19, 216,714.91 and 39,318.36 is: 58,971.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,491.19 : 216,714.91 = 39,318.36 : x
  2. Step 2: Convert to fraction form
    144,491.19/216,714.91 = 39,318.36/x
  3. Step 3: Cross multiply
    144,491.19x = 216,714.91 × 39,318.36
  4. Step 4: Simplify right side
    144,491.19x = 8,520,874,848.75
  5. Step 5: Solve for x
    x = 8,520,874,848.75/144,491.19
  6. Step 6: Final answer
    x = 58,971.59

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1.5x scale

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.