Home / 123,848.27-170,910.63-70,143.67

Finding the Fourth Proportional to 123,848.27, 170,910.63 and 70,143.67

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Solution

The fourth proportional to 123,848.27, 170,910.63 and 70,143.67 is: 96,798.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,848.27 : 170,910.63 = 70,143.67 : x
  2. Step 2: Convert to fraction form
    123,848.27/170,910.63 = 70,143.67/x
  3. Step 3: Cross multiply
    123,848.27x = 170,910.63 × 70,143.67
  4. Step 4: Simplify right side
    123,848.27x = 11,988,299,241.13
  5. Step 5: Solve for x
    x = 11,988,299,241.13/123,848.27
  6. Step 6: Final answer
    x = 96,798.27

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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.