Home / 144,435.23-216,609.10-39,240.53

Finding the Fourth Proportional to 144,435.23, 216,609.10 and 39,240.53

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Solution

The fourth proportional to 144,435.23, 216,609.10 and 39,240.53 is: 58,848.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,435.23 : 216,609.10 = 39,240.53 : x
  2. Step 2: Convert to fraction form
    144,435.23/216,609.10 = 39,240.53/x
  3. Step 3: Cross multiply
    144,435.23x = 216,609.10 × 39,240.53
  4. Step 4: Simplify right side
    144,435.23x = 8,499,855,886.82
  5. Step 5: Solve for x
    x = 8,499,855,886.82/144,435.23
  6. Step 6: Final answer
    x = 58,848.91

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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.