Home / 118,394.07-163,386.23-64,682.57

Finding the Fourth Proportional to 118,394.07, 163,386.23 and 64,682.57

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Solution

The fourth proportional to 118,394.07, 163,386.23 and 64,682.57 is: 89,263.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,394.07 : 163,386.23 = 64,682.57 : x
  2. Step 2: Convert to fraction form
    118,394.07/163,386.23 = 64,682.57/x
  3. Step 3: Cross multiply
    118,394.07x = 163,386.23 × 64,682.57
  4. Step 4: Simplify right side
    118,394.07x = 10,568,241,259.01
  5. Step 5: Solve for x
    x = 10,568,241,259.01/118,394.07
  6. Step 6: Final answer
    x = 89,263.27

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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.