Home / 147,330.27-203,315.81-83,677.77

Finding the Fourth Proportional to 147,330.27, 203,315.81 and 83,677.77

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Solution

The fourth proportional to 147,330.27, 203,315.81 and 83,677.77 is: 115,475.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,330.27 : 203,315.81 = 83,677.77 : x
  2. Step 2: Convert to fraction form
    147,330.27/203,315.81 = 83,677.77/x
  3. Step 3: Cross multiply
    147,330.27x = 203,315.81 × 83,677.77
  4. Step 4: Simplify right side
    147,330.27x = 17,013,013,168.15
  5. Step 5: Solve for x
    x = 17,013,013,168.15/147,330.27
  6. Step 6: Final answer
    x = 115,475.34

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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.