Home / 316,850.25-437,182.41-180,840.72

Finding the Fourth Proportional to 316,850.25, 437,182.41 and 180,840.72

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Solution

The fourth proportional to 316,850.25, 437,182.41 and 180,840.72 is: 249,519.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,850.25 : 437,182.41 = 180,840.72 : x
  2. Step 2: Convert to fraction form
    316,850.25/437,182.41 = 180,840.72/x
  3. Step 3: Cross multiply
    316,850.25x = 437,182.41 × 180,840.72
  4. Step 4: Simplify right side
    316,850.25x = 79,060,381,795.74
  5. Step 5: Solve for x
    x = 79,060,381,795.74/316,850.25
  6. Step 6: Final answer
    x = 249,519.71

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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.