Home / 174,503.79-261,696.81-66,407.50

Finding the Fourth Proportional to 174,503.79, 261,696.81 and 66,407.50

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Solution

The fourth proportional to 174,503.79, 261,696.81 and 66,407.50 is: 99,588.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,503.79 : 261,696.81 = 66,407.50 : x
  2. Step 2: Convert to fraction form
    174,503.79/261,696.81 = 66,407.50/x
  3. Step 3: Cross multiply
    174,503.79x = 261,696.81 × 66,407.50
  4. Step 4: Simplify right side
    174,503.79x = 17,378,629,601.59
  5. Step 5: Solve for x
    x = 17,378,629,601.59/174,503.79
  6. Step 6: Final answer
    x = 99,588.84

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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.