Home / 152,769.96-210,833.28-84,793.68

Finding the Fourth Proportional to 152,769.96, 210,833.28 and 84,793.68

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Solution

The fourth proportional to 152,769.96, 210,833.28 and 84,793.68 is: 117,021.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,769.96 : 210,833.28 = 84,793.68 : x
  2. Step 2: Convert to fraction form
    152,769.96/210,833.28 = 84,793.68/x
  3. Step 3: Cross multiply
    152,769.96x = 210,833.28 × 84,793.68
  4. Step 4: Simplify right side
    152,769.96x = 17,877,329,677.67
  5. Step 5: Solve for x
    x = 17,877,329,677.67/152,769.96
  6. Step 6: Final answer
    x = 117,021.24

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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.