Home / 151,283.14-208,769.02-83,298.70

Finding the Fourth Proportional to 151,283.14, 208,769.02 and 83,298.70

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Solution

The fourth proportional to 151,283.14, 208,769.02 and 83,298.70 is: 114,951.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,283.14 : 208,769.02 = 83,298.70 : x
  2. Step 2: Convert to fraction form
    151,283.14/208,769.02 = 83,298.70/x
  3. Step 3: Cross multiply
    151,283.14x = 208,769.02 × 83,298.70
  4. Step 4: Simplify right side
    151,283.14x = 17,390,187,966.27
  5. Step 5: Solve for x
    x = 17,390,187,966.27/151,283.14
  6. Step 6: Final answer
    x = 114,951.26

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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.