Home / 118,393.95-163,386.06-64,682.44

Finding the Fourth Proportional to 118,393.95, 163,386.06 and 64,682.44

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Solution

The fourth proportional to 118,393.95, 163,386.06 and 64,682.44 is: 89,263.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,393.95 : 163,386.06 = 64,682.44 : x
  2. Step 2: Convert to fraction form
    118,393.95/163,386.06 = 64,682.44/x
  3. Step 3: Cross multiply
    118,393.95x = 163,386.06 × 64,682.44
  4. Step 4: Simplify right side
    118,393.95x = 10,568,209,022.79
  5. Step 5: Solve for x
    x = 10,568,209,022.79/118,393.95
  6. Step 6: Final answer
    x = 89,263.08

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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.