Home / 118,345.08-163,313.04-64,627.32

Finding the Fourth Proportional to 118,345.08, 163,313.04 and 64,627.32

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Solution

The fourth proportional to 118,345.08, 163,313.04 and 64,627.32 is: 89,183.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,345.08 : 163,313.04 = 64,627.32 : x
  2. Step 2: Convert to fraction form
    118,345.08/163,313.04 = 64,627.32/x
  3. Step 3: Cross multiply
    118,345.08x = 163,313.04 × 64,627.32
  4. Step 4: Simplify right side
    118,345.08x = 10,554,484,096.25
  5. Step 5: Solve for x
    x = 10,554,484,096.25/118,345.08
  6. Step 6: Final answer
    x = 89,183.97

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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.