Home / 463,386.90-695,145.15-197,145.30

Finding the Fourth Proportional to 463,386.90, 695,145.15 and 197,145.30

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Solution

The fourth proportional to 463,386.90, 695,145.15 and 197,145.30 is: 295,745.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,386.90 : 695,145.15 = 197,145.30 : x
  2. Step 2: Convert to fraction form
    463,386.90/695,145.15 = 197,145.30/x
  3. Step 3: Cross multiply
    463,386.90x = 695,145.15 × 197,145.30
  4. Step 4: Simplify right side
    463,386.90x = 137,044,599,140.30
  5. Step 5: Solve for x
    x = 137,044,599,140.30/463,386.90
  6. Step 6: Final answer
    x = 295,745.52

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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.