Home / 118,600.86-163,676.45-68,316.06

Finding the Fourth Proportional to 118,600.86, 163,676.45 and 68,316.06

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Solution

The fourth proportional to 118,600.86, 163,676.45 and 68,316.06 is: 94,280.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,600.86 : 163,676.45 = 68,316.06 : x
  2. Step 2: Convert to fraction form
    118,600.86/163,676.45 = 68,316.06/x
  3. Step 3: Cross multiply
    118,600.86x = 163,676.45 × 68,316.06
  4. Step 4: Simplify right side
    118,600.86x = 11,181,730,178.79
  5. Step 5: Solve for x
    x = 11,181,730,178.79/118,600.86
  6. Step 6: Final answer
    x = 94,280.35

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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.