Home / 358,148.16-537,226.56-121,485.60

Finding the Fourth Proportional to 358,148.16, 537,226.56 and 121,485.60

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Solution

The fourth proportional to 358,148.16, 537,226.56 and 121,485.60 is: 182,229.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,148.16 : 537,226.56 = 121,485.60 : x
  2. Step 2: Convert to fraction form
    358,148.16/537,226.56 = 121,485.60/x
  3. Step 3: Cross multiply
    358,148.16x = 537,226.56 × 121,485.60
  4. Step 4: Simplify right side
    358,148.16x = 65,265,290,977.54
  5. Step 5: Solve for x
    x = 65,265,290,977.54/358,148.16
  6. Step 6: Final answer
    x = 182,229.87

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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.