Home / 316,853.75-437,258.18-173,619.23

Finding the Fourth Proportional to 316,853.75, 437,258.18 and 173,619.23

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Solution

The fourth proportional to 316,853.75, 437,258.18 and 173,619.23 is: 239,594.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,853.75 : 437,258.18 = 173,619.23 : x
  2. Step 2: Convert to fraction form
    316,853.75/437,258.18 = 173,619.23/x
  3. Step 3: Cross multiply
    316,853.75x = 437,258.18 × 173,619.23
  4. Step 4: Simplify right side
    316,853.75x = 75,916,427,654.71
  5. Step 5: Solve for x
    x = 75,916,427,654.71/316,853.75
  6. Step 6: Final answer
    x = 239,594.54

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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.