Home / 316,466.32-436,723.20-173,225.08

Finding the Fourth Proportional to 316,466.32, 436,723.20 and 173,225.08

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Solution

The fourth proportional to 316,466.32, 436,723.20 and 173,225.08 is: 239,050.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,466.32 : 436,723.20 = 173,225.08 : x
  2. Step 2: Convert to fraction form
    316,466.32/436,723.20 = 173,225.08/x
  3. Step 3: Cross multiply
    316,466.32x = 436,723.20 × 173,225.08
  4. Step 4: Simplify right side
    316,466.32x = 75,651,411,257.86
  5. Step 5: Solve for x
    x = 75,651,411,257.86/316,466.32
  6. Step 6: Final answer
    x = 239,050.43

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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.