Home / 132,141.65-182,362.82-74,783.93

Finding the Fourth Proportional to 132,141.65, 182,362.82 and 74,783.93

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Solution

The fourth proportional to 132,141.65, 182,362.82 and 74,783.93 is: 103,205.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,141.65 : 182,362.82 = 74,783.93 : x
  2. Step 2: Convert to fraction form
    132,141.65/182,362.82 = 74,783.93/x
  3. Step 3: Cross multiply
    132,141.65x = 182,362.82 × 74,783.93
  4. Step 4: Simplify right side
    132,141.65x = 13,637,807,079.75
  5. Step 5: Solve for x
    x = 13,637,807,079.75/132,141.65
  6. Step 6: Final answer
    x = 103,205.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.