Home / 316,527.07-436,805.25-173,289.52

Finding the Fourth Proportional to 316,527.07, 436,805.25 and 173,289.52

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Solution

The fourth proportional to 316,527.07, 436,805.25 and 173,289.52 is: 239,138.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,527.07 : 436,805.25 = 173,289.52 : x
  2. Step 2: Convert to fraction form
    316,527.07/436,805.25 = 173,289.52/x
  3. Step 3: Cross multiply
    316,527.07x = 436,805.25 × 173,289.52
  4. Step 4: Simplify right side
    316,527.07x = 75,693,772,105.98
  5. Step 5: Solve for x
    x = 75,693,772,105.98/316,527.07
  6. Step 6: Final answer
    x = 239,138.38

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1.5x scale

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.