Home / 366,808.12-550,030.68-130,115.32

Finding the Fourth Proportional to 366,808.12, 550,030.68 and 130,115.32

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Solution

The fourth proportional to 366,808.12, 550,030.68 and 130,115.32 is: 195,108.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,808.12 : 550,030.68 = 130,115.32 : x
  2. Step 2: Convert to fraction form
    366,808.12/550,030.68 = 130,115.32/x
  3. Step 3: Cross multiply
    366,808.12x = 550,030.68 × 130,115.32
  4. Step 4: Simplify right side
    366,808.12x = 71,567,417,938.02
  5. Step 5: Solve for x
    x = 71,567,417,938.02/366,808.12
  6. Step 6: Final answer
    x = 195,108.60

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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.