Home / 119,211.16-178,816.86-30,464.74

Finding the Fourth Proportional to 119,211.16, 178,816.86 and 30,464.74

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Solution

The fourth proportional to 119,211.16, 178,816.86 and 30,464.74 is: 45,697.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,211.16 : 178,816.86 = 30,464.74 : x
  2. Step 2: Convert to fraction form
    119,211.16/178,816.86 = 30,464.74/x
  3. Step 3: Cross multiply
    119,211.16x = 178,816.86 × 30,464.74
  4. Step 4: Simplify right side
    119,211.16x = 5,447,609,147.52
  5. Step 5: Solve for x
    x = 5,447,609,147.52/119,211.16
  6. Step 6: Final answer
    x = 45,697.14

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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.