Home / 190,046.02-262,367.60-129,706.68

Finding the Fourth Proportional to 190,046.02, 262,367.60 and 129,706.68

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Solution

The fourth proportional to 190,046.02, 262,367.60 and 129,706.68 is: 179,066.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,046.02 : 262,367.60 = 129,706.68 : x
  2. Step 2: Convert to fraction form
    190,046.02/262,367.60 = 129,706.68/x
  3. Step 3: Cross multiply
    190,046.02x = 262,367.60 × 129,706.68
  4. Step 4: Simplify right side
    190,046.02x = 34,030,830,335.57
  5. Step 5: Solve for x
    x = 34,030,830,335.57/190,046.02
  6. Step 6: Final answer
    x = 179,066.26

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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.