Home / 435,867.72-653,783.45-151,622.64

Finding the Fourth Proportional to 435,867.72, 653,783.45 and 151,622.64

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Solution

The fourth proportional to 435,867.72, 653,783.45 and 151,622.64 is: 227,427.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,867.72 : 653,783.45 = 151,622.64 : x
  2. Step 2: Convert to fraction form
    435,867.72/653,783.45 = 151,622.64/x
  3. Step 3: Cross multiply
    435,867.72x = 653,783.45 × 151,622.64
  4. Step 4: Simplify right side
    435,867.72x = 99,128,372,677.31
  5. Step 5: Solve for x
    x = 99,128,372,677.31/435,867.72
  6. Step 6: Final answer
    x = 227,427.65

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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.