Home / 147,473.99-203,531.40-83,821.35

Finding the Fourth Proportional to 147,473.99, 203,531.40 and 83,821.35

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Solution

The fourth proportional to 147,473.99, 203,531.40 and 83,821.35 is: 115,683.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,473.99 : 203,531.40 = 83,821.35 : x
  2. Step 2: Convert to fraction form
    147,473.99/203,531.40 = 83,821.35/x
  3. Step 3: Cross multiply
    147,473.99x = 203,531.40 × 83,821.35
  4. Step 4: Simplify right side
    147,473.99x = 17,060,276,715.39
  5. Step 5: Solve for x
    x = 17,060,276,715.39/147,473.99
  6. Step 6: Final answer
    x = 115,683.29

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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.