Home / 111,290.40-153,579.60-60,302.16

Finding the Fourth Proportional to 111,290.40, 153,579.60 and 60,302.16

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Solution

The fourth proportional to 111,290.40, 153,579.60 and 60,302.16 is: 83,216.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,290.40 : 153,579.60 = 60,302.16 : x
  2. Step 2: Convert to fraction form
    111,290.40/153,579.60 = 60,302.16/x
  3. Step 3: Cross multiply
    111,290.40x = 153,579.60 × 60,302.16
  4. Step 4: Simplify right side
    111,290.40x = 9,261,181,611.94
  5. Step 5: Solve for x
    x = 9,261,181,611.94/111,290.40
  6. Step 6: Final answer
    x = 83,216.36

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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.