Home / 127,653.28-176,164.68-71,065.60

Finding the Fourth Proportional to 127,653.28, 176,164.68 and 71,065.60

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Solution

The fourth proportional to 127,653.28, 176,164.68 and 71,065.60 is: 98,072.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,653.28 : 176,164.68 = 71,065.60 : x
  2. Step 2: Convert to fraction form
    127,653.28/176,164.68 = 71,065.60/x
  3. Step 3: Cross multiply
    127,653.28x = 176,164.68 × 71,065.60
  4. Step 4: Simplify right side
    127,653.28x = 12,519,248,683.01
  5. Step 5: Solve for x
    x = 12,519,248,683.01/127,653.28
  6. Step 6: Final answer
    x = 98,072.28

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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.