Home / 245,726.58-339,207.28-165,200.78

Finding the Fourth Proportional to 245,726.58, 339,207.28 and 165,200.78

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Solution

The fourth proportional to 245,726.58, 339,207.28 and 165,200.78 is: 228,047.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,726.58 : 339,207.28 = 165,200.78 : x
  2. Step 2: Convert to fraction form
    245,726.58/339,207.28 = 165,200.78/x
  3. Step 3: Cross multiply
    245,726.58x = 339,207.28 × 165,200.78
  4. Step 4: Simplify right side
    245,726.58x = 56,037,307,237.68
  5. Step 5: Solve for x
    x = 56,037,307,237.68/245,726.58
  6. Step 6: Final answer
    x = 228,047.40

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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.