Home / 223,056.40-307,807.24-126,264.64

Finding the Fourth Proportional to 223,056.40, 307,807.24 and 126,264.64

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Solution

The fourth proportional to 223,056.40, 307,807.24 and 126,264.64 is: 174,239.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,056.40 : 307,807.24 = 126,264.64 : x
  2. Step 2: Convert to fraction form
    223,056.40/307,807.24 = 126,264.64/x
  3. Step 3: Cross multiply
    223,056.40x = 307,807.24 × 126,264.64
  4. Step 4: Simplify right side
    223,056.40x = 38,865,170,347.99
  5. Step 5: Solve for x
    x = 38,865,170,347.99/223,056.40
  6. Step 6: Final answer
    x = 174,239.21

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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.