Home / 163,403.32-245,144.38-56,771.74

Finding the Fourth Proportional to 163,403.32, 245,144.38 and 56,771.74

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Solution

The fourth proportional to 163,403.32, 245,144.38 and 56,771.74 is: 85,171.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,403.32 : 245,144.38 = 56,771.74 : x
  2. Step 2: Convert to fraction form
    163,403.32/245,144.38 = 56,771.74/x
  3. Step 3: Cross multiply
    163,403.32x = 245,144.38 × 56,771.74
  4. Step 4: Simplify right side
    163,403.32x = 13,917,273,003.82
  5. Step 5: Solve for x
    x = 13,917,273,003.82/163,403.32
  6. Step 6: Final answer
    x = 85,171.30

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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.