Home / 98,161.53-147,256.22-31,586.19

Finding the Fourth Proportional to 98,161.53, 147,256.22 and 31,586.19

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Solution

The fourth proportional to 98,161.53, 147,256.22 and 31,586.19 is: 47,383.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,161.53 : 147,256.22 = 31,586.19 : x
  2. Step 2: Convert to fraction form
    98,161.53/147,256.22 = 31,586.19/x
  3. Step 3: Cross multiply
    98,161.53x = 147,256.22 × 31,586.19
  4. Step 4: Simplify right side
    98,161.53x = 4,651,262,785.67
  5. Step 5: Solve for x
    x = 4,651,262,785.67/98,161.53
  6. Step 6: Final answer
    x = 47,383.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.