Home / 435,911.40-653,865.60-116,063.28

Finding the Fourth Proportional to 435,911.40, 653,865.60 and 116,063.28

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Solution

The fourth proportional to 435,911.40, 653,865.60 and 116,063.28 is: 174,094.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,911.40 : 653,865.60 = 116,063.28 : x
  2. Step 2: Convert to fraction form
    435,911.40/653,865.60 = 116,063.28/x
  3. Step 3: Cross multiply
    435,911.40x = 653,865.60 × 116,063.28
  4. Step 4: Simplify right side
    435,911.40x = 75,889,786,215.17
  5. Step 5: Solve for x
    x = 75,889,786,215.17/435,911.40
  6. Step 6: Final answer
    x = 174,094.52

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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.