Home / 170,301.13-235,015.41-98,722.65

Finding the Fourth Proportional to 170,301.13, 235,015.41 and 98,722.65

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Solution

The fourth proportional to 170,301.13, 235,015.41 and 98,722.65 is: 136,237.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,301.13 : 235,015.41 = 98,722.65 : x
  2. Step 2: Convert to fraction form
    170,301.13/235,015.41 = 98,722.65/x
  3. Step 3: Cross multiply
    170,301.13x = 235,015.41 × 98,722.65
  4. Step 4: Simplify right side
    170,301.13x = 23,201,342,984.88
  5. Step 5: Solve for x
    x = 23,201,342,984.88/170,301.13
  6. Step 6: Final answer
    x = 136,237.16

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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.