Home / 165,624.84-228,562.28-90,173.32

Finding the Fourth Proportional to 165,624.84, 228,562.28 and 90,173.32

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Solution

The fourth proportional to 165,624.84, 228,562.28 and 90,173.32 is: 124,439.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,624.84 : 228,562.28 = 90,173.32 : x
  2. Step 2: Convert to fraction form
    165,624.84/228,562.28 = 90,173.32/x
  3. Step 3: Cross multiply
    165,624.84x = 228,562.28 × 90,173.32
  4. Step 4: Simplify right side
    165,624.84x = 20,610,219,614.37
  5. Step 5: Solve for x
    x = 20,610,219,614.37/165,624.84
  6. Step 6: Final answer
    x = 124,439.18

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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.