Home / 118,362.51-163,343.84-64,650.42

Finding the Fourth Proportional to 118,362.51, 163,343.84 and 64,650.42

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Solution

The fourth proportional to 118,362.51, 163,343.84 and 64,650.42 is: 89,219.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,362.51 : 163,343.84 = 64,650.42 : x
  2. Step 2: Convert to fraction form
    118,362.51/163,343.84 = 64,650.42/x
  3. Step 3: Cross multiply
    118,362.51x = 163,343.84 × 64,650.42
  4. Step 4: Simplify right side
    118,362.51x = 10,560,247,537.16
  5. Step 5: Solve for x
    x = 10,560,247,537.16/118,362.51
  6. Step 6: Final answer
    x = 89,219.53

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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.