Home / 104,307.06-156,299.54-70,440.35

Finding the Fourth Proportional to 104,307.06, 156,299.54 and 70,440.35

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Solution

The fourth proportional to 104,307.06, 156,299.54 and 70,440.35 is: 105,551.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,307.06 : 156,299.54 = 70,440.35 : x
  2. Step 2: Convert to fraction form
    104,307.06/156,299.54 = 70,440.35/x
  3. Step 3: Cross multiply
    104,307.06x = 156,299.54 × 70,440.35
  4. Step 4: Simplify right side
    104,307.06x = 11,009,794,302.44
  5. Step 5: Solve for x
    x = 11,009,794,302.44/104,307.06
  6. Step 6: Final answer
    x = 105,551.77

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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.