Home / 152,871.65-210,982.30-92,442.71

Finding the Fourth Proportional to 152,871.65, 210,982.30 and 92,442.71

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Solution

The fourth proportional to 152,871.65, 210,982.30 and 92,442.71 is: 127,582.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,871.65 : 210,982.30 = 92,442.71 : x
  2. Step 2: Convert to fraction form
    152,871.65/210,982.30 = 92,442.71/x
  3. Step 3: Cross multiply
    152,871.65x = 210,982.30 × 92,442.71
  4. Step 4: Simplify right side
    152,871.65x = 19,503,774,288.01
  5. Step 5: Solve for x
    x = 19,503,774,288.01/152,871.65
  6. Step 6: Final answer
    x = 127,582.68

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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.