Home / 200,343.12-276,495.58-127,748.68

Finding the Fourth Proportional to 200,343.12, 276,495.58 and 127,748.68

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Solution

The fourth proportional to 200,343.12, 276,495.58 and 127,748.68 is: 176,307.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,343.12 : 276,495.58 = 127,748.68 : x
  2. Step 2: Convert to fraction form
    200,343.12/276,495.58 = 127,748.68/x
  3. Step 3: Cross multiply
    200,343.12x = 276,495.58 × 127,748.68
  4. Step 4: Simplify right side
    200,343.12x = 35,321,945,370.83
  5. Step 5: Solve for x
    x = 35,321,945,370.83/200,343.12
  6. Step 6: Final answer
    x = 176,307.25

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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.