Home / 119,274.87-164,602.35-65,561.25

Finding the Fourth Proportional to 119,274.87, 164,602.35 and 65,561.25

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Solution

The fourth proportional to 119,274.87, 164,602.35 and 65,561.25 is: 90,476.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,274.87 : 164,602.35 = 65,561.25 : x
  2. Step 2: Convert to fraction form
    119,274.87/164,602.35 = 65,561.25/x
  3. Step 3: Cross multiply
    119,274.87x = 164,602.35 × 65,561.25
  4. Step 4: Simplify right side
    119,274.87x = 10,791,535,818.94
  5. Step 5: Solve for x
    x = 10,791,535,818.94/119,274.87
  6. Step 6: Final answer
    x = 90,476.19

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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.