Home / 423,035.88-634,719.99-186,212.52

Finding the Fourth Proportional to 423,035.88, 634,719.99 and 186,212.52

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Solution

The fourth proportional to 423,035.88, 634,719.99 and 186,212.52 is: 279,391.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,035.88 : 634,719.99 = 186,212.52 : x
  2. Step 2: Convert to fraction form
    423,035.88/634,719.99 = 186,212.52/x
  3. Step 3: Cross multiply
    423,035.88x = 634,719.99 × 186,212.52
  4. Step 4: Simplify right side
    423,035.88x = 118,192,808,832.28
  5. Step 5: Solve for x
    x = 118,192,808,832.28/423,035.88
  6. Step 6: Final answer
    x = 279,391.92

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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.