Home / 118,336.16-163,303.07-64,621.17

Finding the Fourth Proportional to 118,336.16, 163,303.07 and 64,621.17

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Solution

The fourth proportional to 118,336.16, 163,303.07 and 64,621.17 is: 89,176.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,336.16 : 163,303.07 = 64,621.17 : x
  2. Step 2: Convert to fraction form
    118,336.16/163,303.07 = 64,621.17/x
  3. Step 3: Cross multiply
    118,336.16x = 163,303.07 × 64,621.17
  4. Step 4: Simplify right side
    118,336.16x = 10,552,835,618.10
  5. Step 5: Solve for x
    x = 10,552,835,618.10/118,336.16
  6. Step 6: Final answer
    x = 89,176.76

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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.