Home / 153,095.24-211,245.90-85,110.32

Finding the Fourth Proportional to 153,095.24, 211,245.90 and 85,110.32

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Solution

The fourth proportional to 153,095.24, 211,245.90 and 85,110.32 is: 117,438.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,095.24 : 211,245.90 = 85,110.32 : x
  2. Step 2: Convert to fraction form
    153,095.24/211,245.90 = 85,110.32/x
  3. Step 3: Cross multiply
    153,095.24x = 211,245.90 × 85,110.32
  4. Step 4: Simplify right side
    153,095.24x = 17,979,206,147.69
  5. Step 5: Solve for x
    x = 17,979,206,147.69/153,095.24
  6. Step 6: Final answer
    x = 117,438.05

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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.