Home / 316,626.06-436,985.46-180,628.68

Finding the Fourth Proportional to 316,626.06, 436,985.46 and 180,628.68

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Solution

The fourth proportional to 316,626.06, 436,985.46 and 180,628.68 is: 249,291.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,626.06 : 436,985.46 = 180,628.68 : x
  2. Step 2: Convert to fraction form
    316,626.06/436,985.46 = 180,628.68/x
  3. Step 3: Cross multiply
    316,626.06x = 436,985.46 × 180,628.68
  4. Step 4: Simplify right side
    316,626.06x = 78,932,106,818.99
  5. Step 5: Solve for x
    x = 78,932,106,818.99/316,626.06
  6. Step 6: Final answer
    x = 249,291.25

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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.