Home / 111,816.23-154,271.70-64,060.38

Finding the Fourth Proportional to 111,816.23, 154,271.70 and 64,060.38

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Solution

The fourth proportional to 111,816.23, 154,271.70 and 64,060.38 is: 88,383.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,816.23 : 154,271.70 = 64,060.38 : x
  2. Step 2: Convert to fraction form
    111,816.23/154,271.70 = 64,060.38/x
  3. Step 3: Cross multiply
    111,816.23x = 154,271.70 × 64,060.38
  4. Step 4: Simplify right side
    111,816.23x = 9,882,703,725.25
  5. Step 5: Solve for x
    x = 9,882,703,725.25/111,816.23
  6. Step 6: Final answer
    x = 88,383.45

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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.