Home / 208,749.42-288,054.80-118,112.24

Finding the Fourth Proportional to 208,749.42, 288,054.80 and 118,112.24

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Solution

The fourth proportional to 208,749.42, 288,054.80 and 118,112.24 is: 162,983.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,749.42 : 288,054.80 = 118,112.24 : x
  2. Step 2: Convert to fraction form
    208,749.42/288,054.80 = 118,112.24/x
  3. Step 3: Cross multiply
    208,749.42x = 288,054.80 × 118,112.24
  4. Step 4: Simplify right side
    208,749.42x = 34,022,797,670.75
  5. Step 5: Solve for x
    x = 34,022,797,670.75/208,749.42
  6. Step 6: Final answer
    x = 162,983.91

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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.