Home / 203,371.28-304,875.48-103,475.60

Finding the Fourth Proportional to 203,371.28, 304,875.48 and 103,475.60

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Solution

The fourth proportional to 203,371.28, 304,875.48 and 103,475.60 is: 155,121.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,371.28 : 304,875.48 = 103,475.60 : x
  2. Step 2: Convert to fraction form
    203,371.28/304,875.48 = 103,475.60/x
  3. Step 3: Cross multiply
    203,371.28x = 304,875.48 × 103,475.60
  4. Step 4: Simplify right side
    203,371.28x = 31,547,173,218.29
  5. Step 5: Solve for x
    x = 31,547,173,218.29/203,371.28
  6. Step 6: Final answer
    x = 155,121.08

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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.