Home / 111,268.80-153,549.94-60,280.36

Finding the Fourth Proportional to 111,268.80, 153,549.94 and 60,280.36

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Solution

The fourth proportional to 111,268.80, 153,549.94 and 60,280.36 is: 83,186.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,268.80 : 153,549.94 = 60,280.36 : x
  2. Step 2: Convert to fraction form
    111,268.80/153,549.94 = 60,280.36/x
  3. Step 3: Cross multiply
    111,268.80x = 153,549.94 × 60,280.36
  4. Step 4: Simplify right side
    111,268.80x = 9,256,045,661.18
  5. Step 5: Solve for x
    x = 9,256,045,661.18/111,268.80
  6. Step 6: Final answer
    x = 83,186.35

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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.