Home / 284,457.12-426,854.01-104,668.79

Finding the Fourth Proportional to 284,457.12, 426,854.01 and 104,668.79

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Solution

The fourth proportional to 284,457.12, 426,854.01 and 104,668.79 is: 157,065.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,457.12 : 426,854.01 = 104,668.79 : x
  2. Step 2: Convert to fraction form
    284,457.12/426,854.01 = 104,668.79/x
  3. Step 3: Cross multiply
    284,457.12x = 426,854.01 × 104,668.79
  4. Step 4: Simplify right side
    284,457.12x = 44,678,294,593.17
  5. Step 5: Solve for x
    x = 44,678,294,593.17/284,457.12
  6. Step 6: Final answer
    x = 157,065.13

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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.