Home / 122,048.20-168,444.30-70,355.35

Finding the Fourth Proportional to 122,048.20, 168,444.30 and 70,355.35

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Solution

The fourth proportional to 122,048.20, 168,444.30 and 70,355.35 is: 97,100.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,048.20 : 168,444.30 = 70,355.35 : x
  2. Step 2: Convert to fraction form
    122,048.20/168,444.30 = 70,355.35/x
  3. Step 3: Cross multiply
    122,048.20x = 168,444.30 × 70,355.35
  4. Step 4: Simplify right side
    122,048.20x = 11,850,957,682.01
  5. Step 5: Solve for x
    x = 11,850,957,682.01/122,048.20
  6. Step 6: Final answer
    x = 97,100.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.