Home / 118,722.08-163,849.48-75,703.04

Finding the Fourth Proportional to 118,722.08, 163,849.48 and 75,703.04

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Solution

The fourth proportional to 118,722.08, 163,849.48 and 75,703.04 is: 104,478.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,722.08 : 163,849.48 = 75,703.04 : x
  2. Step 2: Convert to fraction form
    118,722.08/163,849.48 = 75,703.04/x
  3. Step 3: Cross multiply
    118,722.08x = 163,849.48 × 75,703.04
  4. Step 4: Simplify right side
    118,722.08x = 12,403,903,738.42
  5. Step 5: Solve for x
    x = 12,403,903,738.42/118,722.08
  6. Step 6: Final answer
    x = 104,478.49

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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.