Home / 156,995.10-235,507.05-51,814.30

Finding the Fourth Proportional to 156,995.10, 235,507.05 and 51,814.30

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Solution

The fourth proportional to 156,995.10, 235,507.05 and 51,814.30 is: 77,726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,995.10 : 235,507.05 = 51,814.30 : x
  2. Step 2: Convert to fraction form
    156,995.10/235,507.05 = 51,814.30/x
  3. Step 3: Cross multiply
    156,995.10x = 235,507.05 × 51,814.30
  4. Step 4: Simplify right side
    156,995.10x = 12,202,632,940.82
  5. Step 5: Solve for x
    x = 12,202,632,940.82/156,995.10
  6. Step 6: Final answer
    x = 77,726.20

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1.5x scale

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.