Home / 118,199.36-163,128.48-67,223.36

Finding the Fourth Proportional to 118,199.36, 163,128.48 and 67,223.36

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Solution

The fourth proportional to 118,199.36, 163,128.48 and 67,223.36 is: 92,775.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,199.36 : 163,128.48 = 67,223.36 : x
  2. Step 2: Convert to fraction form
    118,199.36/163,128.48 = 67,223.36/x
  3. Step 3: Cross multiply
    118,199.36x = 163,128.48 × 67,223.36
  4. Step 4: Simplify right side
    118,199.36x = 10,966,044,537.29
  5. Step 5: Solve for x
    x = 10,966,044,537.29/118,199.36
  6. Step 6: Final answer
    x = 92,775.84

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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.