Home / 207,558.10-286,345.20-153,240.22

Finding the Fourth Proportional to 207,558.10, 286,345.20 and 153,240.22

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Solution

The fourth proportional to 207,558.10, 286,345.20 and 153,240.22 is: 211,408.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,558.10 : 286,345.20 = 153,240.22 : x
  2. Step 2: Convert to fraction form
    207,558.10/286,345.20 = 153,240.22/x
  3. Step 3: Cross multiply
    207,558.10x = 286,345.20 × 153,240.22
  4. Step 4: Simplify right side
    207,558.10x = 43,879,601,443.94
  5. Step 5: Solve for x
    x = 43,879,601,443.94/207,558.10
  6. Step 6: Final answer
    x = 211,408.76

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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.