Home / 109,430.16-164,145.24-26,324.16

Finding the Fourth Proportional to 109,430.16, 164,145.24 and 26,324.16

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Solution

The fourth proportional to 109,430.16, 164,145.24 and 26,324.16 is: 39,486.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,430.16 : 164,145.24 = 26,324.16 : x
  2. Step 2: Convert to fraction form
    109,430.16/164,145.24 = 26,324.16/x
  3. Step 3: Cross multiply
    109,430.16x = 164,145.24 × 26,324.16
  4. Step 4: Simplify right side
    109,430.16x = 4,320,985,561.00
  5. Step 5: Solve for x
    x = 4,320,985,561.00/109,430.16
  6. Step 6: Final answer
    x = 39,486.24

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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.