Home / 147,004.32-202,867.20-79,936.32

Finding the Fourth Proportional to 147,004.32, 202,867.20 and 79,936.32

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Solution

The fourth proportional to 147,004.32, 202,867.20 and 79,936.32 is: 110,312.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,004.32 : 202,867.20 = 79,936.32 : x
  2. Step 2: Convert to fraction form
    147,004.32/202,867.20 = 79,936.32/x
  3. Step 3: Cross multiply
    147,004.32x = 202,867.20 × 79,936.32
  4. Step 4: Simplify right side
    147,004.32x = 16,216,457,416.70
  5. Step 5: Solve for x
    x = 16,216,457,416.70/147,004.32
  6. Step 6: Final answer
    x = 110,312.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.