Home / 340,712.06-511,031.64-104,219.60

Finding the Fourth Proportional to 340,712.06, 511,031.64 and 104,219.60

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Solution

The fourth proportional to 340,712.06, 511,031.64 and 104,219.60 is: 156,318.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,712.06 : 511,031.64 = 104,219.60 : x
  2. Step 2: Convert to fraction form
    340,712.06/511,031.64 = 104,219.60/x
  3. Step 3: Cross multiply
    340,712.06x = 511,031.64 × 104,219.60
  4. Step 4: Simplify right side
    340,712.06x = 53,259,513,108.14
  5. Step 5: Solve for x
    x = 53,259,513,108.14/340,712.06
  6. Step 6: Final answer
    x = 156,318.25

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1.5x scale

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.