Home / 104,294.09-156,280.11-70,427.39

Finding the Fourth Proportional to 104,294.09, 156,280.11 and 70,427.39

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Solution

The fourth proportional to 104,294.09, 156,280.11 and 70,427.39 is: 105,532.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,294.09 : 156,280.11 = 70,427.39 : x
  2. Step 2: Convert to fraction form
    104,294.09/156,280.11 = 70,427.39/x
  3. Step 3: Cross multiply
    104,294.09x = 156,280.11 × 70,427.39
  4. Step 4: Simplify right side
    104,294.09x = 11,006,399,474.81
  5. Step 5: Solve for x
    x = 11,006,399,474.81/104,294.09
  6. Step 6: Final answer
    x = 105,532.35

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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.