Home / 316,981.44-437,445.23-173,741.45

Finding the Fourth Proportional to 316,981.44, 437,445.23 and 173,741.45

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Solution

The fourth proportional to 316,981.44, 437,445.23 and 173,741.45 is: 239,769.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,981.44 : 437,445.23 = 173,741.45 : x
  2. Step 2: Convert to fraction form
    316,981.44/437,445.23 = 173,741.45/x
  3. Step 3: Cross multiply
    316,981.44x = 437,445.23 × 173,741.45
  4. Step 4: Simplify right side
    316,981.44x = 76,002,365,499.85
  5. Step 5: Solve for x
    x = 76,002,365,499.85/316,981.44
  6. Step 6: Final answer
    x = 239,769.13

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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.