Home / 103,600.53-142,955.28-58,276.98

Finding the Fourth Proportional to 103,600.53, 142,955.28 and 58,276.98

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Solution

The fourth proportional to 103,600.53, 142,955.28 and 58,276.98 is: 80,414.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,600.53 : 142,955.28 = 58,276.98 : x
  2. Step 2: Convert to fraction form
    103,600.53/142,955.28 = 58,276.98/x
  3. Step 3: Cross multiply
    103,600.53x = 142,955.28 × 58,276.98
  4. Step 4: Simplify right side
    103,600.53x = 8,331,001,993.45
  5. Step 5: Solve for x
    x = 8,331,001,993.45/103,600.53
  6. Step 6: Final answer
    x = 80,414.67

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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.