Home / 139,032.20-208,548.30-94,417.40

Finding the Fourth Proportional to 139,032.20, 208,548.30 and 94,417.40

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Solution

The fourth proportional to 139,032.20, 208,548.30 and 94,417.40 is: 141,626.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,032.20 : 208,548.30 = 94,417.40 : x
  2. Step 2: Convert to fraction form
    139,032.20/208,548.30 = 94,417.40/x
  3. Step 3: Cross multiply
    139,032.20x = 208,548.30 × 94,417.40
  4. Step 4: Simplify right side
    139,032.20x = 19,690,588,260.42
  5. Step 5: Solve for x
    x = 19,690,588,260.42/139,032.20
  6. Step 6: Final answer
    x = 141,626.10

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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.