Home / 257,784.23-386,670.48-151,840.25

Finding the Fourth Proportional to 257,784.23, 386,670.48 and 151,840.25

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Solution

The fourth proportional to 257,784.23, 386,670.48 and 151,840.25 is: 227,756.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,784.23 : 386,670.48 = 151,840.25 : x
  2. Step 2: Convert to fraction form
    257,784.23/386,670.48 = 151,840.25/x
  3. Step 3: Cross multiply
    257,784.23x = 386,670.48 × 151,840.25
  4. Step 4: Simplify right side
    257,784.23x = 58,712,142,350.82
  5. Step 5: Solve for x
    x = 58,712,142,350.82/257,784.23
  6. Step 6: Final answer
    x = 227,756.92

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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.