Home / 163,665.16-225,855.74-92,045.18

Finding the Fourth Proportional to 163,665.16, 225,855.74 and 92,045.18

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Solution

The fourth proportional to 163,665.16, 225,855.74 and 92,045.18 is: 127,021.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,665.16 : 225,855.74 = 92,045.18 : x
  2. Step 2: Convert to fraction form
    163,665.16/225,855.74 = 92,045.18/x
  3. Step 3: Cross multiply
    163,665.16x = 225,855.74 × 92,045.18
  4. Step 4: Simplify right side
    163,665.16x = 20,788,931,766.65
  5. Step 5: Solve for x
    x = 20,788,931,766.65/163,665.16
  6. Step 6: Final answer
    x = 127,021.12

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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.