Home / 161,659.45-223,089.95-93,715.89

Finding the Fourth Proportional to 161,659.45, 223,089.95 and 93,715.89

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Solution

The fourth proportional to 161,659.45, 223,089.95 and 93,715.89 is: 129,327.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,659.45 : 223,089.95 = 93,715.89 : x
  2. Step 2: Convert to fraction form
    161,659.45/223,089.95 = 93,715.89/x
  3. Step 3: Cross multiply
    161,659.45x = 223,089.95 × 93,715.89
  4. Step 4: Simplify right side
    161,659.45x = 20,907,072,084.86
  5. Step 5: Solve for x
    x = 20,907,072,084.86/161,659.45
  6. Step 6: Final answer
    x = 129,327.87

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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.