Home / 303,531.30-455,146.29-103,795.02

Finding the Fourth Proportional to 303,531.30, 455,146.29 and 103,795.02

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Solution

The fourth proportional to 303,531.30, 455,146.29 and 103,795.02 is: 155,641.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,531.30 : 455,146.29 = 103,795.02 : x
  2. Step 2: Convert to fraction form
    303,531.30/455,146.29 = 103,795.02/x
  3. Step 3: Cross multiply
    303,531.30x = 455,146.29 × 103,795.02
  4. Step 4: Simplify right side
    303,531.30x = 47,241,918,273.48
  5. Step 5: Solve for x
    x = 47,241,918,273.48/303,531.30
  6. Step 6: Final answer
    x = 155,641.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.