Home / 191,035.28-263,629.89-119,457.20

Finding the Fourth Proportional to 191,035.28, 263,629.89 and 119,457.20

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Solution

The fourth proportional to 191,035.28, 263,629.89 and 119,457.20 is: 164,851.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,035.28 : 263,629.89 = 119,457.20 : x
  2. Step 2: Convert to fraction form
    191,035.28/263,629.89 = 119,457.20/x
  3. Step 3: Cross multiply
    191,035.28x = 263,629.89 × 119,457.20
  4. Step 4: Simplify right side
    191,035.28x = 31,492,489,154.78
  5. Step 5: Solve for x
    x = 31,492,489,154.78/191,035.28
  6. Step 6: Final answer
    x = 164,851.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.