Home / 156,710.28-235,004.14-56,840.52

Finding the Fourth Proportional to 156,710.28, 235,004.14 and 56,840.52

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Solution

The fourth proportional to 156,710.28, 235,004.14 and 56,840.52 is: 85,238.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,710.28 : 235,004.14 = 56,840.52 : x
  2. Step 2: Convert to fraction form
    156,710.28/235,004.14 = 56,840.52/x
  3. Step 3: Cross multiply
    156,710.28x = 235,004.14 × 56,840.52
  4. Step 4: Simplify right side
    156,710.28x = 13,357,757,519.75
  5. Step 5: Solve for x
    x = 13,357,757,519.75/156,710.28
  6. Step 6: Final answer
    x = 85,238.55

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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.