Home / 281,733.60-388,802.22-154,409.16

Finding the Fourth Proportional to 281,733.60, 388,802.22 and 154,409.16

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Solution

The fourth proportional to 281,733.60, 388,802.22 and 154,409.16 is: 213,090.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,733.60 : 388,802.22 = 154,409.16 : x
  2. Step 2: Convert to fraction form
    281,733.60/388,802.22 = 154,409.16/x
  3. Step 3: Cross multiply
    281,733.60x = 388,802.22 × 154,409.16
  4. Step 4: Simplify right side
    281,733.60x = 60,034,624,196.34
  5. Step 5: Solve for x
    x = 60,034,624,196.34/281,733.60
  6. Step 6: Final answer
    x = 213,090.04

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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.