Home / 103,713.40-143,157.54-67,846.60

Finding the Fourth Proportional to 103,713.40, 143,157.54 and 67,846.60

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Solution

The fourth proportional to 103,713.40, 143,157.54 and 67,846.60 is: 93,649.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,713.40 : 143,157.54 = 67,846.60 : x
  2. Step 2: Convert to fraction form
    103,713.40/143,157.54 = 67,846.60/x
  3. Step 3: Cross multiply
    103,713.40x = 143,157.54 × 67,846.60
  4. Step 4: Simplify right side
    103,713.40x = 9,712,752,353.36
  5. Step 5: Solve for x
    x = 9,712,752,353.36/103,713.40
  6. Step 6: Final answer
    x = 93,649.93

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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.