Home / 111,861.27-154,369.07-64,117.41

Finding the Fourth Proportional to 111,861.27, 154,369.07 and 64,117.41

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Solution

The fourth proportional to 111,861.27, 154,369.07 and 64,117.41 is: 88,482.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,861.27 : 154,369.07 = 64,117.41 : x
  2. Step 2: Convert to fraction form
    111,861.27/154,369.07 = 64,117.41/x
  3. Step 3: Cross multiply
    111,861.27x = 154,369.07 × 64,117.41
  4. Step 4: Simplify right side
    111,861.27x = 9,897,744,952.51
  5. Step 5: Solve for x
    x = 9,897,744,952.51/111,861.27
  6. Step 6: Final answer
    x = 88,482.32

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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.