Home / 223,475.96-308,403.21-136,266.17

Finding the Fourth Proportional to 223,475.96, 308,403.21 and 136,266.17

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Solution

The fourth proportional to 223,475.96, 308,403.21 and 136,266.17 is: 188,051.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,475.96 : 308,403.21 = 136,266.17 : x
  2. Step 2: Convert to fraction form
    223,475.96/308,403.21 = 136,266.17/x
  3. Step 3: Cross multiply
    223,475.96x = 308,403.21 × 136,266.17
  4. Step 4: Simplify right side
    223,475.96x = 42,024,923,211.39
  5. Step 5: Solve for x
    x = 42,024,923,211.39/223,475.96
  6. Step 6: Final answer
    x = 188,051.20

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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.