Home / 223,677.27-308,683.13-128,202.39

Finding the Fourth Proportional to 223,677.27, 308,683.13 and 128,202.39

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Solution

The fourth proportional to 223,677.27, 308,683.13 and 128,202.39 is: 176,924.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,677.27 : 308,683.13 = 128,202.39 : x
  2. Step 2: Convert to fraction form
    223,677.27/308,683.13 = 128,202.39/x
  3. Step 3: Cross multiply
    223,677.27x = 308,683.13 × 128,202.39
  4. Step 4: Simplify right side
    223,677.27x = 39,573,914,377.67
  5. Step 5: Solve for x
    x = 39,573,914,377.67/223,677.27
  6. Step 6: Final answer
    x = 176,924.17

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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.