Home / 118,324.84-163,289.07-64,610.23

Finding the Fourth Proportional to 118,324.84, 163,289.07 and 64,610.23

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Solution

The fourth proportional to 118,324.84, 163,289.07 and 64,610.23 is: 89,162.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,324.84 : 163,289.07 = 64,610.23 : x
  2. Step 2: Convert to fraction form
    118,324.84/163,289.07 = 64,610.23/x
  3. Step 3: Cross multiply
    118,324.84x = 163,289.07 × 64,610.23
  4. Step 4: Simplify right side
    118,324.84x = 10,550,144,369.19
  5. Step 5: Solve for x
    x = 10,550,144,369.19/118,324.84
  6. Step 6: Final answer
    x = 89,162.55

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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.