Home / 158,927.22-219,377.14-105,229.53

Finding the Fourth Proportional to 158,927.22, 219,377.14 and 105,229.53

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Solution

The fourth proportional to 158,927.22, 219,377.14 and 105,229.53 is: 145,254.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,927.22 : 219,377.14 = 105,229.53 : x
  2. Step 2: Convert to fraction form
    158,927.22/219,377.14 = 105,229.53/x
  3. Step 3: Cross multiply
    158,927.22x = 219,377.14 × 105,229.53
  4. Step 4: Simplify right side
    158,927.22x = 23,084,953,071.87
  5. Step 5: Solve for x
    x = 23,084,953,071.87/158,927.22
  6. Step 6: Final answer
    x = 145,254.87

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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.