Home / 120,827.65-181,292.73-64,653.19

Finding the Fourth Proportional to 120,827.65, 181,292.73 and 64,653.19

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Solution

The fourth proportional to 120,827.65, 181,292.73 and 64,653.19 is: 97,007.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,827.65 : 181,292.73 = 64,653.19 : x
  2. Step 2: Convert to fraction form
    120,827.65/181,292.73 = 64,653.19/x
  3. Step 3: Cross multiply
    120,827.65x = 181,292.73 × 64,653.19
  4. Step 4: Simplify right side
    120,827.65x = 11,721,152,986.30
  5. Step 5: Solve for x
    x = 11,721,152,986.30/120,827.65
  6. Step 6: Final answer
    x = 97,007.21

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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.