Home / 157,263.23-217,015.74-85,642.83

Finding the Fourth Proportional to 157,263.23, 217,015.74 and 85,642.83

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Solution

The fourth proportional to 157,263.23, 217,015.74 and 85,642.83 is: 118,183.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,263.23 : 217,015.74 = 85,642.83 : x
  2. Step 2: Convert to fraction form
    157,263.23/217,015.74 = 85,642.83/x
  3. Step 3: Cross multiply
    157,263.23x = 217,015.74 × 85,642.83
  4. Step 4: Simplify right side
    157,263.23x = 18,585,842,128.14
  5. Step 5: Solve for x
    x = 18,585,842,128.14/157,263.23
  6. Step 6: Final answer
    x = 118,183.01

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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.