Home / 212,175.06-292,795.75-116,681.76

Finding the Fourth Proportional to 212,175.06, 292,795.75 and 116,681.76

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Solution

The fourth proportional to 212,175.06, 292,795.75 and 116,681.76 is: 161,017.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,175.06 : 292,795.75 = 116,681.76 : x
  2. Step 2: Convert to fraction form
    212,175.06/292,795.75 = 116,681.76/x
  3. Step 3: Cross multiply
    212,175.06x = 292,795.75 × 116,681.76
  4. Step 4: Simplify right side
    212,175.06x = 34,163,921,726.21
  5. Step 5: Solve for x
    x = 34,163,921,726.21/212,175.06
  6. Step 6: Final answer
    x = 161,017.61

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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.