Home / 205,095.36-307,612.32-170,258.88

Finding the Fourth Proportional to 205,095.36, 307,612.32 and 170,258.88

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Solution

The fourth proportional to 205,095.36, 307,612.32 and 170,258.88 is: 255,362.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,095.36 : 307,612.32 = 170,258.88 : x
  2. Step 2: Convert to fraction form
    205,095.36/307,612.32 = 170,258.88/x
  3. Step 3: Cross multiply
    205,095.36x = 307,612.32 × 170,258.88
  4. Step 4: Simplify right side
    205,095.36x = 52,373,729,077.40
  5. Step 5: Solve for x
    x = 52,373,729,077.40/205,095.36
  6. Step 6: Final answer
    x = 255,362.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.