Home / 111,946.08-154,480.86-64,166.34

Finding the Fourth Proportional to 111,946.08, 154,480.86 and 64,166.34

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Solution

The fourth proportional to 111,946.08, 154,480.86 and 64,166.34 is: 88,546.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,946.08 : 154,480.86 = 64,166.34 : x
  2. Step 2: Convert to fraction form
    111,946.08/154,480.86 = 64,166.34/x
  3. Step 3: Cross multiply
    111,946.08x = 154,480.86 × 64,166.34
  4. Step 4: Simplify right side
    111,946.08x = 9,912,471,386.25
  5. Step 5: Solve for x
    x = 9,912,471,386.25/111,946.08
  6. Step 6: Final answer
    x = 88,546.84

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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.