Home / 111,195.46-153,447.54-63,441.10

Finding the Fourth Proportional to 111,195.46, 153,447.54 and 63,441.10

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Solution

The fourth proportional to 111,195.46, 153,447.54 and 63,441.10 is: 87,547.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,195.46 : 153,447.54 = 63,441.10 : x
  2. Step 2: Convert to fraction form
    111,195.46/153,447.54 = 63,441.10/x
  3. Step 3: Cross multiply
    111,195.46x = 153,447.54 × 63,441.10
  4. Step 4: Simplify right side
    111,195.46x = 9,734,880,729.89
  5. Step 5: Solve for x
    x = 9,734,880,729.89/111,195.46
  6. Step 6: Final answer
    x = 87,547.47

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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.