Home / 118,518.24-163,558.26-64,805.52

Finding the Fourth Proportional to 118,518.24, 163,558.26 and 64,805.52

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Solution

The fourth proportional to 118,518.24, 163,558.26 and 64,805.52 is: 89,433.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,518.24 : 163,558.26 = 64,805.52 : x
  2. Step 2: Convert to fraction form
    118,518.24/163,558.26 = 64,805.52/x
  3. Step 3: Cross multiply
    118,518.24x = 163,558.26 × 64,805.52
  4. Step 4: Simplify right side
    118,518.24x = 10,599,478,089.60
  5. Step 5: Solve for x
    x = 10,599,478,089.60/118,518.24
  6. Step 6: Final answer
    x = 89,433.31

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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.