Home / 200,159.10-276,152.49-115,274.34

Finding the Fourth Proportional to 200,159.10, 276,152.49 and 115,274.34

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Solution

The fourth proportional to 200,159.10, 276,152.49 and 115,274.34 is: 159,039.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,159.10 : 276,152.49 = 115,274.34 : x
  2. Step 2: Convert to fraction form
    200,159.10/276,152.49 = 115,274.34/x
  3. Step 3: Cross multiply
    200,159.10x = 276,152.49 × 115,274.34
  4. Step 4: Simplify right side
    200,159.10x = 31,833,296,024.11
  5. Step 5: Solve for x
    x = 31,833,296,024.11/200,159.10
  6. Step 6: Final answer
    x = 159,039.96

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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.