Home / 245,781.03-368,567.19-103,690.02

Finding the Fourth Proportional to 245,781.03, 368,567.19 and 103,690.02

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Solution

The fourth proportional to 245,781.03, 368,567.19 and 103,690.02 is: 155,491.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,781.03 : 368,567.19 = 103,690.02 : x
  2. Step 2: Convert to fraction form
    245,781.03/368,567.19 = 103,690.02/x
  3. Step 3: Cross multiply
    245,781.03x = 368,567.19 × 103,690.02
  4. Step 4: Simplify right side
    245,781.03x = 38,216,739,302.44
  5. Step 5: Solve for x
    x = 38,216,739,302.44/245,781.03
  6. Step 6: Final answer
    x = 155,491.00

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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.