Home / 136,430.40-204,673.38-57,544.92

Finding the Fourth Proportional to 136,430.40, 204,673.38 and 57,544.92

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Solution

The fourth proportional to 136,430.40, 204,673.38 and 57,544.92 is: 86,329.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,430.40 : 204,673.38 = 57,544.92 : x
  2. Step 2: Convert to fraction form
    136,430.40/204,673.38 = 57,544.92/x
  3. Step 3: Cross multiply
    136,430.40x = 204,673.38 × 57,544.92
  4. Step 4: Simplify right side
    136,430.40x = 11,777,913,278.23
  5. Step 5: Solve for x
    x = 11,777,913,278.23/136,430.40
  6. Step 6: Final answer
    x = 86,329.10

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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.