Home / 163,795.74-245,579.61-72,561.59

Finding the Fourth Proportional to 163,795.74, 245,579.61 and 72,561.59

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Solution

The fourth proportional to 163,795.74, 245,579.61 and 72,561.59 is: 108,791.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,795.74 : 245,579.61 = 72,561.59 : x
  2. Step 2: Convert to fraction form
    163,795.74/245,579.61 = 72,561.59/x
  3. Step 3: Cross multiply
    163,795.74x = 245,579.61 × 72,561.59
  4. Step 4: Simplify right side
    163,795.74x = 17,819,646,938.31
  5. Step 5: Solve for x
    x = 17,819,646,938.31/163,795.74
  6. Step 6: Final answer
    x = 108,791.89

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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.