Home / 303,339.10-455,008.65-103,611.33

Finding the Fourth Proportional to 303,339.10, 455,008.65 and 103,611.33

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Solution

The fourth proportional to 303,339.10, 455,008.65 and 103,611.33 is: 155,417.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,339.10 : 455,008.65 = 103,611.33 : x
  2. Step 2: Convert to fraction form
    303,339.10/455,008.65 = 103,611.33/x
  3. Step 3: Cross multiply
    303,339.10x = 455,008.65 × 103,611.33
  4. Step 4: Simplify right side
    303,339.10x = 47,144,051,388.00
  5. Step 5: Solve for x
    x = 47,144,051,388.00/303,339.10
  6. Step 6: Final answer
    x = 155,417.00

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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.