Home / 169,315.18-233,622.01-100,391.88

Finding the Fourth Proportional to 169,315.18, 233,622.01 and 100,391.88

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Solution

The fourth proportional to 169,315.18, 233,622.01 and 100,391.88 is: 138,521.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,315.18 : 233,622.01 = 100,391.88 : x
  2. Step 2: Convert to fraction form
    169,315.18/233,622.01 = 100,391.88/x
  3. Step 3: Cross multiply
    169,315.18x = 233,622.01 × 100,391.88
  4. Step 4: Simplify right side
    169,315.18x = 23,453,751,666.22
  5. Step 5: Solve for x
    x = 23,453,751,666.22/169,315.18
  6. Step 6: Final answer
    x = 138,521.26

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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.