Home / 223,586.07-308,548.55-128,093.14

Finding the Fourth Proportional to 223,586.07, 308,548.55 and 128,093.14

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Solution

The fourth proportional to 223,586.07, 308,548.55 and 128,093.14 is: 176,768.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,586.07 : 308,548.55 = 128,093.14 : x
  2. Step 2: Convert to fraction form
    223,586.07/308,548.55 = 128,093.14/x
  3. Step 3: Cross multiply
    223,586.07x = 308,548.55 × 128,093.14
  4. Step 4: Simplify right side
    223,586.07x = 39,522,951,971.48
  5. Step 5: Solve for x
    x = 39,522,951,971.48/223,586.07
  6. Step 6: Final answer
    x = 176,768.40

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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.