Home / 138,847.02-208,113.03-63,812.08

Finding the Fourth Proportional to 138,847.02, 208,113.03 and 63,812.08

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Solution

The fourth proportional to 138,847.02, 208,113.03 and 63,812.08 is: 95,645.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,847.02 : 208,113.03 = 63,812.08 : x
  2. Step 2: Convert to fraction form
    138,847.02/208,113.03 = 63,812.08/x
  3. Step 3: Cross multiply
    138,847.02x = 208,113.03 × 63,812.08
  4. Step 4: Simplify right side
    138,847.02x = 13,280,124,994.23
  5. Step 5: Solve for x
    x = 13,280,124,994.23/138,847.02
  6. Step 6: Final answer
    x = 95,645.73

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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.