Home / 195,009.84-292,456.80-82,688.40

Finding the Fourth Proportional to 195,009.84, 292,456.80 and 82,688.40

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Solution

The fourth proportional to 195,009.84, 292,456.80 and 82,688.40 is: 124,008.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,009.84 : 292,456.80 = 82,688.40 : x
  2. Step 2: Convert to fraction form
    195,009.84/292,456.80 = 82,688.40/x
  3. Step 3: Cross multiply
    195,009.84x = 292,456.80 × 82,688.40
  4. Step 4: Simplify right side
    195,009.84x = 24,182,784,861.12
  5. Step 5: Solve for x
    x = 24,182,784,861.12/195,009.84
  6. Step 6: Final answer
    x = 124,008.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.