Home / 201,140.04-301,837.10-112,451.72

Finding the Fourth Proportional to 201,140.04, 301,837.10 and 112,451.72

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Solution

The fourth proportional to 201,140.04, 301,837.10 and 112,451.72 is: 168,748.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,140.04 : 301,837.10 = 112,451.72 : x
  2. Step 2: Convert to fraction form
    201,140.04/301,837.10 = 112,451.72/x
  3. Step 3: Cross multiply
    201,140.04x = 301,837.10 × 112,451.72
  4. Step 4: Simplify right side
    201,140.04x = 33,942,101,054.81
  5. Step 5: Solve for x
    x = 33,942,101,054.81/201,140.04
  6. Step 6: Final answer
    x = 168,748.60

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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.