Home / 340,711.06-511,030.14-104,218.60

Finding the Fourth Proportional to 340,711.06, 511,030.14 and 104,218.60

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Solution

The fourth proportional to 340,711.06, 511,030.14 and 104,218.60 is: 156,316.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,711.06 : 511,030.14 = 104,218.60 : x
  2. Step 2: Convert to fraction form
    340,711.06/511,030.14 = 104,218.60/x
  3. Step 3: Cross multiply
    340,711.06x = 511,030.14 × 104,218.60
  4. Step 4: Simplify right side
    340,711.06x = 53,258,845,748.60
  5. Step 5: Solve for x
    x = 53,258,845,748.60/340,711.06
  6. Step 6: Final answer
    x = 156,316.75

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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.