Home / 111,584.32-153,922.08-66,846.40

Finding the Fourth Proportional to 111,584.32, 153,922.08 and 66,846.40

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Solution

The fourth proportional to 111,584.32, 153,922.08 and 66,846.40 is: 92,209.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,584.32 : 153,922.08 = 66,846.40 : x
  2. Step 2: Convert to fraction form
    111,584.32/153,922.08 = 66,846.40/x
  3. Step 3: Cross multiply
    111,584.32x = 153,922.08 × 66,846.40
  4. Step 4: Simplify right side
    111,584.32x = 10,289,136,928.51
  5. Step 5: Solve for x
    x = 10,289,136,928.51/111,584.32
  6. Step 6: Final answer
    x = 92,209.52

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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.