Home / 185,417.86-255,782.46-117,320.08

Finding the Fourth Proportional to 185,417.86, 255,782.46 and 117,320.08

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Solution

The fourth proportional to 185,417.86, 255,782.46 and 117,320.08 is: 161,842.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,417.86 : 255,782.46 = 117,320.08 : x
  2. Step 2: Convert to fraction form
    185,417.86/255,782.46 = 117,320.08/x
  3. Step 3: Cross multiply
    185,417.86x = 255,782.46 × 117,320.08
  4. Step 4: Simplify right side
    185,417.86x = 30,008,418,669.80
  5. Step 5: Solve for x
    x = 30,008,418,669.80/185,417.86
  6. Step 6: Final answer
    x = 161,842.12

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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.