Home / 243,677.55-336,272.72-136,246.35

Finding the Fourth Proportional to 243,677.55, 336,272.72 and 136,246.35

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Solution

The fourth proportional to 243,677.55, 336,272.72 and 136,246.35 is: 188,018.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,677.55 : 336,272.72 = 136,246.35 : x
  2. Step 2: Convert to fraction form
    243,677.55/336,272.72 = 136,246.35/x
  3. Step 3: Cross multiply
    243,677.55x = 336,272.72 × 136,246.35
  4. Step 4: Simplify right side
    243,677.55x = 45,815,930,023.34
  5. Step 5: Solve for x
    x = 45,815,930,023.34/243,677.55
  6. Step 6: Final answer
    x = 188,018.67

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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.