Home / 119,273.90-178,909.59-30,526.70

Finding the Fourth Proportional to 119,273.90, 178,909.59 and 30,526.70

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Solution

The fourth proportional to 119,273.90, 178,909.59 and 30,526.70 is: 45,789.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,273.90 : 178,909.59 = 30,526.70 : x
  2. Step 2: Convert to fraction form
    119,273.90/178,909.59 = 30,526.70/x
  3. Step 3: Cross multiply
    119,273.90x = 178,909.59 × 30,526.70
  4. Step 4: Simplify right side
    119,273.90x = 5,461,519,381.05
  5. Step 5: Solve for x
    x = 5,461,519,381.05/119,273.90
  6. Step 6: Final answer
    x = 45,789.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.