Home / 223,037.64-307,783.98-126,239.42

Finding the Fourth Proportional to 223,037.64, 307,783.98 and 126,239.42

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Solution

The fourth proportional to 223,037.64, 307,783.98 and 126,239.42 is: 174,205.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,037.64 : 307,783.98 = 126,239.42 : x
  2. Step 2: Convert to fraction form
    223,037.64/307,783.98 = 126,239.42/x
  3. Step 3: Cross multiply
    223,037.64x = 307,783.98 × 126,239.42
  4. Step 4: Simplify right side
    223,037.64x = 38,854,471,024.31
  5. Step 5: Solve for x
    x = 38,854,471,024.31/223,037.64
  6. Step 6: Final answer
    x = 174,205.89

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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.