Home / 101,143.47-150,946.13-89,933.67

Finding the Fourth Proportional to 101,143.47, 150,946.13 and 89,933.67

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Solution

The fourth proportional to 101,143.47, 150,946.13 and 89,933.67 is: 134,216.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,143.47 : 150,946.13 = 89,933.67 : x
  2. Step 2: Convert to fraction form
    101,143.47/150,946.13 = 89,933.67/x
  3. Step 3: Cross multiply
    101,143.47x = 150,946.13 × 89,933.67
  4. Step 4: Simplify right side
    101,143.47x = 13,575,138,993.53
  5. Step 5: Solve for x
    x = 13,575,138,993.53/101,143.47
  6. Step 6: Final answer
    x = 134,216.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.