Home / 144,938.07-217,476.72-74,817.45

Finding the Fourth Proportional to 144,938.07, 217,476.72 and 74,817.45

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Solution

The fourth proportional to 144,938.07, 217,476.72 and 74,817.45 is: 112,262.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,938.07 : 217,476.72 = 74,817.45 : x
  2. Step 2: Convert to fraction form
    144,938.07/217,476.72 = 74,817.45/x
  3. Step 3: Cross multiply
    144,938.07x = 217,476.72 × 74,817.45
  4. Step 4: Simplify right side
    144,938.07x = 16,271,053,624.76
  5. Step 5: Solve for x
    x = 16,271,053,624.76/144,938.07
  6. Step 6: Final answer
    x = 112,262.11

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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.