Home / 141,406.20-212,064.18-46,618.70

Finding the Fourth Proportional to 141,406.20, 212,064.18 and 46,618.70

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Solution

The fourth proportional to 141,406.20, 212,064.18 and 46,618.70 is: 69,913.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,406.20 : 212,064.18 = 46,618.70 : x
  2. Step 2: Convert to fraction form
    141,406.20/212,064.18 = 46,618.70/x
  3. Step 3: Cross multiply
    141,406.20x = 212,064.18 × 46,618.70
  4. Step 4: Simplify right side
    141,406.20x = 9,886,156,388.17
  5. Step 5: Solve for x
    x = 9,886,156,388.17/141,406.20
  6. Step 6: Final answer
    x = 69,913.17

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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.