Home / 236,045.02-325,738-128,615.94

Finding the Fourth Proportional to 236,045.02, 325,738 and 128,615.94

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Solution

The fourth proportional to 236,045.02, 325,738 and 128,615.94 is: 177,487.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,045.02 : 325,738 = 128,615.94 : x
  2. Step 2: Convert to fraction form
    236,045.02/325,738 = 128,615.94/x
  3. Step 3: Cross multiply
    236,045.02x = 325,738 × 128,615.94
  4. Step 4: Simplify right side
    236,045.02x = 41,895,099,063.72
  5. Step 5: Solve for x
    x = 41,895,099,063.72/236,045.02
  6. Step 6: Final answer
    x = 177,487.75

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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.