Home / 205,998.53-284,254.48-115,341.89

Finding the Fourth Proportional to 205,998.53, 284,254.48 and 115,341.89

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Solution

The fourth proportional to 205,998.53, 284,254.48 and 115,341.89 is: 159,158.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,998.53 : 284,254.48 = 115,341.89 : x
  2. Step 2: Convert to fraction form
    205,998.53/284,254.48 = 115,341.89/x
  3. Step 3: Cross multiply
    205,998.53x = 284,254.48 × 115,341.89
  4. Step 4: Simplify right side
    205,998.53x = 32,786,449,386.45
  5. Step 5: Solve for x
    x = 32,786,449,386.45/205,998.53
  6. Step 6: Final answer
    x = 159,158.66

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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.