Home / 111,316.22-153,632.13-68,888.42

Finding the Fourth Proportional to 111,316.22, 153,632.13 and 68,888.42

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Solution

The fourth proportional to 111,316.22, 153,632.13 and 68,888.42 is: 95,075.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,316.22 : 153,632.13 = 68,888.42 : x
  2. Step 2: Convert to fraction form
    111,316.22/153,632.13 = 68,888.42/x
  3. Step 3: Cross multiply
    111,316.22x = 153,632.13 × 68,888.42
  4. Step 4: Simplify right side
    111,316.22x = 10,583,474,696.93
  5. Step 5: Solve for x
    x = 10,583,474,696.93/111,316.22
  6. Step 6: Final answer
    x = 95,075.76

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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.