Home / 316,247.28-436,417.63-173,005.66

Finding the Fourth Proportional to 316,247.28, 436,417.63 and 173,005.66

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Solution

The fourth proportional to 316,247.28, 436,417.63 and 173,005.66 is: 238,745.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,247.28 : 436,417.63 = 173,005.66 : x
  2. Step 2: Convert to fraction form
    316,247.28/436,417.63 = 173,005.66/x
  3. Step 3: Cross multiply
    316,247.28x = 436,417.63 × 173,005.66
  4. Step 4: Simplify right side
    316,247.28x = 75,502,720,113.79
  5. Step 5: Solve for x
    x = 75,502,720,113.79/316,247.28
  6. Step 6: Final answer
    x = 238,745.83

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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.