Home / 153,180.24-211,407.72-86,112.24

Finding the Fourth Proportional to 153,180.24, 211,407.72 and 86,112.24

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Solution

The fourth proportional to 153,180.24, 211,407.72 and 86,112.24 is: 118,845.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,180.24 : 211,407.72 = 86,112.24 : x
  2. Step 2: Convert to fraction form
    153,180.24/211,407.72 = 86,112.24/x
  3. Step 3: Cross multiply
    153,180.24x = 211,407.72 × 86,112.24
  4. Step 4: Simplify right side
    153,180.24x = 18,204,792,322.49
  5. Step 5: Solve for x
    x = 18,204,792,322.49/153,180.24
  6. Step 6: Final answer
    x = 118,845.57

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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.