Home / 487,944.10-731,734.08-168,005.56

Finding the Fourth Proportional to 487,944.10, 731,734.08 and 168,005.56

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Solution

The fourth proportional to 487,944.10, 731,734.08 and 168,005.56 is: 251,945.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,944.10 : 731,734.08 = 168,005.56 : x
  2. Step 2: Convert to fraction form
    487,944.10/731,734.08 = 168,005.56/x
  3. Step 3: Cross multiply
    487,944.10x = 731,734.08 × 168,005.56
  4. Step 4: Simplify right side
    487,944.10x = 122,935,393,881.49
  5. Step 5: Solve for x
    x = 122,935,393,881.49/487,944.10
  6. Step 6: Final answer
    x = 251,945.65

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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.