Home / 178,229.56-245,953.58-105,681.28

Finding the Fourth Proportional to 178,229.56, 245,953.58 and 105,681.28

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Solution

The fourth proportional to 178,229.56, 245,953.58 and 105,681.28 is: 145,838.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,229.56 : 245,953.58 = 105,681.28 : x
  2. Step 2: Convert to fraction form
    178,229.56/245,953.58 = 105,681.28/x
  3. Step 3: Cross multiply
    178,229.56x = 245,953.58 × 105,681.28
  4. Step 4: Simplify right side
    178,229.56x = 25,992,689,154.98
  5. Step 5: Solve for x
    x = 25,992,689,154.98/178,229.56
  6. Step 6: Final answer
    x = 145,838.26

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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.