Home / 282,303.28-389,576.84-153,244.34

Finding the Fourth Proportional to 282,303.28, 389,576.84 and 153,244.34

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Solution

The fourth proportional to 282,303.28, 389,576.84 and 153,244.34 is: 211,476.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,303.28 : 389,576.84 = 153,244.34 : x
  2. Step 2: Convert to fraction form
    282,303.28/389,576.84 = 153,244.34/x
  3. Step 3: Cross multiply
    282,303.28x = 389,576.84 × 153,244.34
  4. Step 4: Simplify right side
    282,303.28x = 59,700,445,725.09
  5. Step 5: Solve for x
    x = 59,700,445,725.09/282,303.28
  6. Step 6: Final answer
    x = 211,476.27

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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.