Home / 152,045.36-209,816.01-83,133.56

Finding the Fourth Proportional to 152,045.36, 209,816.01 and 83,133.56

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Solution

The fourth proportional to 152,045.36, 209,816.01 and 83,133.56 is: 114,720.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,045.36 : 209,816.01 = 83,133.56 : x
  2. Step 2: Convert to fraction form
    152,045.36/209,816.01 = 83,133.56/x
  3. Step 3: Cross multiply
    152,045.36x = 209,816.01 × 83,133.56
  4. Step 4: Simplify right side
    152,045.36x = 17,442,751,856.30
  5. Step 5: Solve for x
    x = 17,442,751,856.30/152,045.36
  6. Step 6: Final answer
    x = 114,720.71

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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.