Home / 104,490.27-144,240.71-70,544.73

Finding the Fourth Proportional to 104,490.27, 144,240.71 and 70,544.73

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Solution

The fourth proportional to 104,490.27, 144,240.71 and 70,544.73 is: 97,381.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,490.27 : 144,240.71 = 70,544.73 : x
  2. Step 2: Convert to fraction form
    104,490.27/144,240.71 = 70,544.73/x
  3. Step 3: Cross multiply
    104,490.27x = 144,240.71 × 70,544.73
  4. Step 4: Simplify right side
    104,490.27x = 10,175,421,941.96
  5. Step 5: Solve for x
    x = 10,175,421,941.96/104,490.27
  6. Step 6: Final answer
    x = 97,381.53

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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.