Home / 183,720.01-253,514.04-103,156.33

Finding the Fourth Proportional to 183,720.01, 253,514.04 and 103,156.33

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Solution

The fourth proportional to 183,720.01, 253,514.04 and 103,156.33 is: 142,344.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,720.01 : 253,514.04 = 103,156.33 : x
  2. Step 2: Convert to fraction form
    183,720.01/253,514.04 = 103,156.33/x
  3. Step 3: Cross multiply
    183,720.01x = 253,514.04 × 103,156.33
  4. Step 4: Simplify right side
    183,720.01x = 26,151,577,969.87
  5. Step 5: Solve for x
    x = 26,151,577,969.87/183,720.01
  6. Step 6: Final answer
    x = 142,344.74

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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.