Home / 535,620.15-803,434.77-136,261.26

Finding the Fourth Proportional to 535,620.15, 803,434.77 and 136,261.26

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Solution

The fourth proportional to 535,620.15, 803,434.77 and 136,261.26 is: 204,393.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,620.15 : 803,434.77 = 136,261.26 : x
  2. Step 2: Convert to fraction form
    535,620.15/803,434.77 = 136,261.26/x
  3. Step 3: Cross multiply
    535,620.15x = 803,434.77 × 136,261.26
  4. Step 4: Simplify right side
    535,620.15x = 109,477,034,088.01
  5. Step 5: Solve for x
    x = 109,477,034,088.01/535,620.15
  6. Step 6: Final answer
    x = 204,393.05

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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.