Home / 102,256.22-153,146.27-98,709.18

Finding the Fourth Proportional to 102,256.22, 153,146.27 and 98,709.18

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Solution

The fourth proportional to 102,256.22, 153,146.27 and 98,709.18 is: 147,833.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,256.22 : 153,146.27 = 98,709.18 : x
  2. Step 2: Convert to fraction form
    102,256.22/153,146.27 = 98,709.18/x
  3. Step 3: Cross multiply
    102,256.22x = 153,146.27 × 98,709.18
  4. Step 4: Simplify right side
    102,256.22x = 15,116,942,988.06
  5. Step 5: Solve for x
    x = 15,116,942,988.06/102,256.22
  6. Step 6: Final answer
    x = 147,833.97

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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.