Home / 137,852.04-190,253.70-84,144.18

Finding the Fourth Proportional to 137,852.04, 190,253.70 and 84,144.18

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Solution

The fourth proportional to 137,852.04, 190,253.70 and 84,144.18 is: 116,129.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,852.04 : 190,253.70 = 84,144.18 : x
  2. Step 2: Convert to fraction form
    137,852.04/190,253.70 = 84,144.18/x
  3. Step 3: Cross multiply
    137,852.04x = 190,253.70 × 84,144.18
  4. Step 4: Simplify right side
    137,852.04x = 16,008,741,578.47
  5. Step 5: Solve for x
    x = 16,008,741,578.47/137,852.04
  6. Step 6: Final answer
    x = 116,129.89

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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.