Home / 103,526.07-142,865.10-58,204.25

Finding the Fourth Proportional to 103,526.07, 142,865.10 and 58,204.25

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Solution

The fourth proportional to 103,526.07, 142,865.10 and 58,204.25 is: 80,321.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,526.07 : 142,865.10 = 58,204.25 : x
  2. Step 2: Convert to fraction form
    103,526.07/142,865.10 = 58,204.25/x
  3. Step 3: Cross multiply
    103,526.07x = 142,865.10 × 58,204.25
  4. Step 4: Simplify right side
    103,526.07x = 8,315,355,996.68
  5. Step 5: Solve for x
    x = 8,315,355,996.68/103,526.07
  6. Step 6: Final answer
    x = 80,321.37

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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.