Home / 118,455.24-163,467.84-64,740.24

Finding the Fourth Proportional to 118,455.24, 163,467.84 and 64,740.24

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Solution

The fourth proportional to 118,455.24, 163,467.84 and 64,740.24 is: 89,341.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,455.24 : 163,467.84 = 64,740.24 : x
  2. Step 2: Convert to fraction form
    118,455.24/163,467.84 = 64,740.24/x
  3. Step 3: Cross multiply
    118,455.24x = 163,467.84 × 64,740.24
  4. Step 4: Simplify right side
    118,455.24x = 10,582,946,951.11
  5. Step 5: Solve for x
    x = 10,582,946,951.11/118,455.24
  6. Step 6: Final answer
    x = 89,341.32

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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.