Home / 118,340.02-163,330.32-69,939.97

Finding the Fourth Proportional to 118,340.02, 163,330.32 and 69,939.97

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Solution

The fourth proportional to 118,340.02, 163,330.32 and 69,939.97 is: 96,529.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,340.02 : 163,330.32 = 69,939.97 : x
  2. Step 2: Convert to fraction form
    118,340.02/163,330.32 = 69,939.97/x
  3. Step 3: Cross multiply
    118,340.02x = 163,330.32 × 69,939.97
  4. Step 4: Simplify right side
    118,340.02x = 11,423,317,680.89
  5. Step 5: Solve for x
    x = 11,423,317,680.89/118,340.02
  6. Step 6: Final answer
    x = 96,529.62

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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.