Home / 197,553.36-272,624.32-106,909.30

Finding the Fourth Proportional to 197,553.36, 272,624.32 and 106,909.30

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Solution

The fourth proportional to 197,553.36, 272,624.32 and 106,909.30 is: 147,535.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,553.36 : 272,624.32 = 106,909.30 : x
  2. Step 2: Convert to fraction form
    197,553.36/272,624.32 = 106,909.30/x
  3. Step 3: Cross multiply
    197,553.36x = 272,624.32 × 106,909.30
  4. Step 4: Simplify right side
    197,553.36x = 29,146,075,688.59
  5. Step 5: Solve for x
    x = 29,146,075,688.59/197,553.36
  6. Step 6: Final answer
    x = 147,535.20

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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.