Home / 147,311.16-203,273.64-98,903.28

Finding the Fourth Proportional to 147,311.16, 203,273.64 and 98,903.28

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Solution

The fourth proportional to 147,311.16, 203,273.64 and 98,903.28 is: 136,475.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,311.16 : 203,273.64 = 98,903.28 : x
  2. Step 2: Convert to fraction form
    147,311.16/203,273.64 = 98,903.28/x
  3. Step 3: Cross multiply
    147,311.16x = 203,273.64 × 98,903.28
  4. Step 4: Simplify right side
    147,311.16x = 20,104,429,733.54
  5. Step 5: Solve for x
    x = 20,104,429,733.54/147,311.16
  6. Step 6: Final answer
    x = 136,475.94

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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.