Home / 302,340.40-453,495.60-112,785.92

Finding the Fourth Proportional to 302,340.40, 453,495.60 and 112,785.92

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Solution

The fourth proportional to 302,340.40, 453,495.60 and 112,785.92 is: 169,173.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,340.40 : 453,495.60 = 112,785.92 : x
  2. Step 2: Convert to fraction form
    302,340.40/453,495.60 = 112,785.92/x
  3. Step 3: Cross multiply
    302,340.40x = 453,495.60 × 112,785.92
  4. Step 4: Simplify right side
    302,340.40x = 51,147,918,461.95
  5. Step 5: Solve for x
    x = 51,147,918,461.95/302,340.40
  6. Step 6: Final answer
    x = 169,173.28

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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.