Home / 141,845.81-212,696.21-47,041.79

Finding the Fourth Proportional to 141,845.81, 212,696.21 and 47,041.79

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Solution

The fourth proportional to 141,845.81, 212,696.21 and 47,041.79 is: 70,538.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,845.81 : 212,696.21 = 47,041.79 : x
  2. Step 2: Convert to fraction form
    141,845.81/212,696.21 = 47,041.79/x
  3. Step 3: Cross multiply
    141,845.81x = 212,696.21 × 47,041.79
  4. Step 4: Simplify right side
    141,845.81x = 10,005,609,498.74
  5. Step 5: Solve for x
    x = 10,005,609,498.74/141,845.81
  6. Step 6: Final answer
    x = 70,538.64

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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.