Home / 147,472.72-221,208.84-117,751.28

Finding the Fourth Proportional to 147,472.72, 221,208.84 and 117,751.28

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Solution

The fourth proportional to 147,472.72, 221,208.84 and 117,751.28 is: 176,626.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,472.72 : 221,208.84 = 117,751.28 : x
  2. Step 2: Convert to fraction form
    147,472.72/221,208.84 = 117,751.28/x
  3. Step 3: Cross multiply
    147,472.72x = 221,208.84 × 117,751.28
  4. Step 4: Simplify right side
    147,472.72x = 26,047,624,057.32
  5. Step 5: Solve for x
    x = 26,047,624,057.32/147,472.72
  6. Step 6: Final answer
    x = 176,626.73

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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.