Home / 170,333.36-255,530.84-70,439.32

Finding the Fourth Proportional to 170,333.36, 255,530.84 and 70,439.32

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Solution

The fourth proportional to 170,333.36, 255,530.84 and 70,439.32 is: 105,671.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,333.36 : 255,530.84 = 70,439.32 : x
  2. Step 2: Convert to fraction form
    170,333.36/255,530.84 = 70,439.32/x
  3. Step 3: Cross multiply
    170,333.36x = 255,530.84 × 70,439.32
  4. Step 4: Simplify right side
    170,333.36x = 17,999,418,608.63
  5. Step 5: Solve for x
    x = 17,999,418,608.63/170,333.36
  6. Step 6: Final answer
    x = 105,671.72

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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.