Home / 142,530.37-195,644.12-126,036.23

Finding the Fourth Proportional to 142,530.37, 195,644.12 and 126,036.23

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Solution

The fourth proportional to 142,530.37, 195,644.12 and 126,036.23 is: 173,003.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,530.37 : 195,644.12 = 126,036.23 : x
  2. Step 2: Convert to fraction form
    142,530.37/195,644.12 = 126,036.23/x
  3. Step 3: Cross multiply
    142,530.37x = 195,644.12 × 126,036.23
  4. Step 4: Simplify right side
    142,530.37x = 24,658,245,698.07
  5. Step 5: Solve for x
    x = 24,658,245,698.07/142,530.37
  6. Step 6: Final answer
    x = 173,003.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.