Home / 119,266.80-178,900.04-30,520.33

Finding the Fourth Proportional to 119,266.80, 178,900.04 and 30,520.33

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Solution

The fourth proportional to 119,266.80, 178,900.04 and 30,520.33 is: 45,780.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,266.80 : 178,900.04 = 30,520.33 : x
  2. Step 2: Convert to fraction form
    119,266.80/178,900.04 = 30,520.33/x
  3. Step 3: Cross multiply
    119,266.80x = 178,900.04 × 30,520.33
  4. Step 4: Simplify right side
    119,266.80x = 5,460,087,886.86
  5. Step 5: Solve for x
    x = 5,460,087,886.86/119,266.80
  6. Step 6: Final answer
    x = 45,780.45

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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.