Home / 295,742.16-443,928.96-127,345.86

Finding the Fourth Proportional to 295,742.16, 443,928.96 and 127,345.86

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Solution

The fourth proportional to 295,742.16, 443,928.96 and 127,345.86 is: 191,154.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,742.16 : 443,928.96 = 127,345.86 : x
  2. Step 2: Convert to fraction form
    295,742.16/443,928.96 = 127,345.86/x
  3. Step 3: Cross multiply
    295,742.16x = 443,928.96 × 127,345.86
  4. Step 4: Simplify right side
    295,742.16x = 56,532,515,190.11
  5. Step 5: Solve for x
    x = 56,532,515,190.11/295,742.16
  6. Step 6: Final answer
    x = 191,154.74

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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.