Home / 100,526.72-149,688.21-96,934.56

Finding the Fourth Proportional to 100,526.72, 149,688.21 and 96,934.56

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Solution

The fourth proportional to 100,526.72, 149,688.21 and 96,934.56 is: 144,339.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,526.72 : 149,688.21 = 96,934.56 : x
  2. Step 2: Convert to fraction form
    100,526.72/149,688.21 = 96,934.56/x
  3. Step 3: Cross multiply
    100,526.72x = 149,688.21 × 96,934.56
  4. Step 4: Simplify right side
    100,526.72x = 14,509,960,773.54
  5. Step 5: Solve for x
    x = 14,509,960,773.54/100,526.72
  6. Step 6: Final answer
    x = 144,339.35

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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.