Home / 156,727.45-235,126.64-51,547.33

Finding the Fourth Proportional to 156,727.45, 235,126.64 and 51,547.33

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Solution

The fourth proportional to 156,727.45, 235,126.64 and 51,547.33 is: 77,332.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,727.45 : 235,126.64 = 51,547.33 : x
  2. Step 2: Convert to fraction form
    156,727.45/235,126.64 = 51,547.33/x
  3. Step 3: Cross multiply
    156,727.45x = 235,126.64 × 51,547.33
  4. Step 4: Simplify right side
    156,727.45x = 12,120,150,503.87
  5. Step 5: Solve for x
    x = 12,120,150,503.87/156,727.45
  6. Step 6: Final answer
    x = 77,332.66

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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.