Home / 147,448.36-203,472.70-82,915.76

Finding the Fourth Proportional to 147,448.36, 203,472.70 and 82,915.76

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Solution

The fourth proportional to 147,448.36, 203,472.70 and 82,915.76 is: 114,420.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,448.36 : 203,472.70 = 82,915.76 : x
  2. Step 2: Convert to fraction form
    147,448.36/203,472.70 = 82,915.76/x
  3. Step 3: Cross multiply
    147,448.36x = 203,472.70 × 82,915.76
  4. Step 4: Simplify right side
    147,448.36x = 16,871,093,559.75
  5. Step 5: Solve for x
    x = 16,871,093,559.75/147,448.36
  6. Step 6: Final answer
    x = 114,420.35

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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.