Home / 316,470.27-436,718.12-180,548.22

Finding the Fourth Proportional to 316,470.27, 436,718.12 and 180,548.22

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Solution

The fourth proportional to 316,470.27, 436,718.12 and 180,548.22 is: 249,150.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,470.27 : 436,718.12 = 180,548.22 : x
  2. Step 2: Convert to fraction form
    316,470.27/436,718.12 = 180,548.22/x
  3. Step 3: Cross multiply
    316,470.27x = 436,718.12 × 180,548.22
  4. Step 4: Simplify right side
    316,470.27x = 78,848,679,942.70
  5. Step 5: Solve for x
    x = 78,848,679,942.70/316,470.27
  6. Step 6: Final answer
    x = 249,150.35

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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.