Home / 144,495.55-216,689.53-49,699.12

Finding the Fourth Proportional to 144,495.55, 216,689.53 and 49,699.12

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Solution

The fourth proportional to 144,495.55, 216,689.53 and 49,699.12 is: 74,530.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,495.55 : 216,689.53 = 49,699.12 : x
  2. Step 2: Convert to fraction form
    144,495.55/216,689.53 = 49,699.12/x
  3. Step 3: Cross multiply
    144,495.55x = 216,689.53 × 49,699.12
  4. Step 4: Simplify right side
    144,495.55x = 10,769,278,954.21
  5. Step 5: Solve for x
    x = 10,769,278,954.21/144,495.55
  6. Step 6: Final answer
    x = 74,530.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.