Home / 215,426.84-297,298.74-119,939.52

Finding the Fourth Proportional to 215,426.84, 297,298.74 and 119,939.52

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Solution

The fourth proportional to 215,426.84, 297,298.74 and 119,939.52 is: 165,521.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,426.84 : 297,298.74 = 119,939.52 : x
  2. Step 2: Convert to fraction form
    215,426.84/297,298.74 = 119,939.52/x
  3. Step 3: Cross multiply
    215,426.84x = 297,298.74 × 119,939.52
  4. Step 4: Simplify right side
    215,426.84x = 35,657,868,172.20
  5. Step 5: Solve for x
    x = 35,657,868,172.20/215,426.84
  6. Step 6: Final answer
    x = 165,521.94

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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.