Home / 147,292.02-203,264.37-83,631.20

Finding the Fourth Proportional to 147,292.02, 203,264.37 and 83,631.20

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Solution

The fourth proportional to 147,292.02, 203,264.37 and 83,631.20 is: 115,411.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,292.02 : 203,264.37 = 83,631.20 : x
  2. Step 2: Convert to fraction form
    147,292.02/203,264.37 = 83,631.20/x
  3. Step 3: Cross multiply
    147,292.02x = 203,264.37 × 83,631.20
  4. Step 4: Simplify right side
    147,292.02x = 16,999,242,164.02
  5. Step 5: Solve for x
    x = 16,999,242,164.02/147,292.02
  6. Step 6: Final answer
    x = 115,411.83

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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.