Home / 147,395.64-203,381.08-82,856.28

Finding the Fourth Proportional to 147,395.64, 203,381.08 and 82,856.28

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Solution

The fourth proportional to 147,395.64, 203,381.08 and 82,856.28 is: 114,327.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,395.64 : 203,381.08 = 82,856.28 : x
  2. Step 2: Convert to fraction form
    147,395.64/203,381.08 = 82,856.28/x
  3. Step 3: Cross multiply
    147,395.64x = 203,381.08 × 82,856.28
  4. Step 4: Simplify right side
    147,395.64x = 16,851,399,711.18
  5. Step 5: Solve for x
    x = 16,851,399,711.18/147,395.64
  6. Step 6: Final answer
    x = 114,327.67

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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.