Home / 223,525.35-308,441.66-128,036.07

Finding the Fourth Proportional to 223,525.35, 308,441.66 and 128,036.07

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Solution

The fourth proportional to 223,525.35, 308,441.66 and 128,036.07 is: 176,676.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,525.35 : 308,441.66 = 128,036.07 : x
  2. Step 2: Convert to fraction form
    223,525.35/308,441.66 = 128,036.07/x
  3. Step 3: Cross multiply
    223,525.35x = 308,441.66 × 128,036.07
  4. Step 4: Simplify right side
    223,525.35x = 39,491,657,330.50
  5. Step 5: Solve for x
    x = 39,491,657,330.50/223,525.35
  6. Step 6: Final answer
    x = 176,676.41

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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.