Home / 282,254.55-389,515.70-154,941.75

Finding the Fourth Proportional to 282,254.55, 389,515.70 and 154,941.75

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Solution

The fourth proportional to 282,254.55, 389,515.70 and 154,941.75 is: 213,822.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,254.55 : 389,515.70 = 154,941.75 : x
  2. Step 2: Convert to fraction form
    282,254.55/389,515.70 = 154,941.75/x
  3. Step 3: Cross multiply
    282,254.55x = 389,515.70 × 154,941.75
  4. Step 4: Simplify right side
    282,254.55x = 60,352,243,435.77
  5. Step 5: Solve for x
    x = 60,352,243,435.77/282,254.55
  6. Step 6: Final answer
    x = 213,822.04

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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.