Home / 118,809.24-163,916.38-67,785.32

Finding the Fourth Proportional to 118,809.24, 163,916.38 and 67,785.32

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Solution

The fourth proportional to 118,809.24, 163,916.38 and 67,785.32 is: 93,520.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,809.24 : 163,916.38 = 67,785.32 : x
  2. Step 2: Convert to fraction form
    118,809.24/163,916.38 = 67,785.32/x
  3. Step 3: Cross multiply
    118,809.24x = 163,916.38 × 67,785.32
  4. Step 4: Simplify right side
    118,809.24x = 11,111,124,271.54
  5. Step 5: Solve for x
    x = 11,111,124,271.54/118,809.24
  6. Step 6: Final answer
    x = 93,520.71

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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.