Home / 127,017.27-190,152.09-84,792.60

Finding the Fourth Proportional to 127,017.27, 190,152.09 and 84,792.60

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Solution

The fourth proportional to 127,017.27, 190,152.09 and 84,792.60 is: 126,939.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,017.27 : 190,152.09 = 84,792.60 : x
  2. Step 2: Convert to fraction form
    127,017.27/190,152.09 = 84,792.60/x
  3. Step 3: Cross multiply
    127,017.27x = 190,152.09 × 84,792.60
  4. Step 4: Simplify right side
    127,017.27x = 16,123,490,106.53
  5. Step 5: Solve for x
    x = 16,123,490,106.53/127,017.27
  6. Step 6: Final answer
    x = 126,939.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.