Home / 316,358.28-436,574.46-173,118.35

Finding the Fourth Proportional to 316,358.28, 436,574.46 and 173,118.35

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Solution

The fourth proportional to 316,358.28, 436,574.46 and 173,118.35 is: 238,903.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,358.28 : 436,574.46 = 173,118.35 : x
  2. Step 2: Convert to fraction form
    316,358.28/436,574.46 = 173,118.35/x
  3. Step 3: Cross multiply
    316,358.28x = 436,574.46 × 173,118.35
  4. Step 4: Simplify right side
    316,358.28x = 75,579,047,984.47
  5. Step 5: Solve for x
    x = 75,579,047,984.47/316,358.28
  6. Step 6: Final answer
    x = 238,903.33

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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.