Home / 119,152.09-178,728.02-30,405.59

Finding the Fourth Proportional to 119,152.09, 178,728.02 and 30,405.59

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Solution

The fourth proportional to 119,152.09, 178,728.02 and 30,405.59 is: 45,608.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,152.09 : 178,728.02 = 30,405.59 : x
  2. Step 2: Convert to fraction form
    119,152.09/178,728.02 = 30,405.59/x
  3. Step 3: Cross multiply
    119,152.09x = 178,728.02 × 30,405.59
  4. Step 4: Simplify right side
    119,152.09x = 5,434,331,453.06
  5. Step 5: Solve for x
    x = 5,434,331,453.06/119,152.09
  6. Step 6: Final answer
    x = 45,608.36

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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.