Home / 103,188.34-142,401.43-60,166.67

Finding the Fourth Proportional to 103,188.34, 142,401.43 and 60,166.67

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Solution

The fourth proportional to 103,188.34, 142,401.43 and 60,166.67 is: 83,030.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,188.34 : 142,401.43 = 60,166.67 : x
  2. Step 2: Convert to fraction form
    103,188.34/142,401.43 = 60,166.67/x
  3. Step 3: Cross multiply
    103,188.34x = 142,401.43 × 60,166.67
  4. Step 4: Simplify right side
    103,188.34x = 8,567,819,846.34
  5. Step 5: Solve for x
    x = 8,567,819,846.34/103,188.34
  6. Step 6: Final answer
    x = 83,030.90

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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.