Home / 151,357.45-208,875.02-83,373.03

Finding the Fourth Proportional to 151,357.45, 208,875.02 and 83,373.03

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Solution

The fourth proportional to 151,357.45, 208,875.02 and 83,373.03 is: 115,055.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,357.45 : 208,875.02 = 83,373.03 : x
  2. Step 2: Convert to fraction form
    151,357.45/208,875.02 = 83,373.03/x
  3. Step 3: Cross multiply
    151,357.45x = 208,875.02 × 83,373.03
  4. Step 4: Simplify right side
    151,357.45x = 17,414,543,308.71
  5. Step 5: Solve for x
    x = 17,414,543,308.71/151,357.45
  6. Step 6: Final answer
    x = 115,055.74

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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.