Home / 223,521.37-308,437.39-126,706.12

Finding the Fourth Proportional to 223,521.37, 308,437.39 and 126,706.12

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Solution

The fourth proportional to 223,521.37, 308,437.39 and 126,706.12 is: 174,841.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,521.37 : 308,437.39 = 126,706.12 : x
  2. Step 2: Convert to fraction form
    223,521.37/308,437.39 = 126,706.12/x
  3. Step 3: Cross multiply
    223,521.37x = 308,437.39 × 126,706.12
  4. Step 4: Simplify right side
    223,521.37x = 39,080,906,428.44
  5. Step 5: Solve for x
    x = 39,080,906,428.44/223,521.37
  6. Step 6: Final answer
    x = 174,841.93

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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.