Home / 268,136.96-370,054.70-153,392.81

Finding the Fourth Proportional to 268,136.96, 370,054.70 and 153,392.81

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Solution

The fourth proportional to 268,136.96, 370,054.70 and 153,392.81 is: 211,696.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,136.96 : 370,054.70 = 153,392.81 : x
  2. Step 2: Convert to fraction form
    268,136.96/370,054.70 = 153,392.81/x
  3. Step 3: Cross multiply
    268,136.96x = 370,054.70 × 153,392.81
  4. Step 4: Simplify right side
    268,136.96x = 56,763,730,444.88
  5. Step 5: Solve for x
    x = 56,763,730,444.88/268,136.96
  6. Step 6: Final answer
    x = 211,696.78

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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.