Home / 127,065.40-190,357.54-84,818.10

Finding the Fourth Proportional to 127,065.40, 190,357.54 and 84,818.10

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Solution

The fourth proportional to 127,065.40, 190,357.54 and 84,818.10 is: 127,066.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,065.40 : 190,357.54 = 84,818.10 : x
  2. Step 2: Convert to fraction form
    127,065.40/190,357.54 = 84,818.10/x
  3. Step 3: Cross multiply
    127,065.40x = 190,357.54 × 84,818.10
  4. Step 4: Simplify right side
    127,065.40x = 16,145,764,863.47
  5. Step 5: Solve for x
    x = 16,145,764,863.47/127,065.40
  6. Step 6: Final answer
    x = 127,066.57

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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.