Home / 151,153.02-208,580.49-83,168.46

Finding the Fourth Proportional to 151,153.02, 208,580.49 and 83,168.46

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Solution

The fourth proportional to 151,153.02, 208,580.49 and 83,168.46 is: 114,766.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,153.02 : 208,580.49 = 83,168.46 : x
  2. Step 2: Convert to fraction form
    151,153.02/208,580.49 = 83,168.46/x
  3. Step 3: Cross multiply
    151,153.02x = 208,580.49 × 83,168.46
  4. Step 4: Simplify right side
    151,153.02x = 17,347,318,139.35
  5. Step 5: Solve for x
    x = 17,347,318,139.35/151,153.02
  6. Step 6: Final answer
    x = 114,766.60

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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.