Home / 270,646.06-373,478.70-148,135.72

Finding the Fourth Proportional to 270,646.06, 373,478.70 and 148,135.72

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Solution

The fourth proportional to 270,646.06, 373,478.70 and 148,135.72 is: 204,420.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,646.06 : 373,478.70 = 148,135.72 : x
  2. Step 2: Convert to fraction form
    270,646.06/373,478.70 = 148,135.72/x
  3. Step 3: Cross multiply
    270,646.06x = 373,478.70 × 148,135.72
  4. Step 4: Simplify right side
    270,646.06x = 55,325,536,129.16
  5. Step 5: Solve for x
    x = 55,325,536,129.16/270,646.06
  6. Step 6: Final answer
    x = 204,420.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.