Home / 282,267.29-389,527.88-153,205.77

Finding the Fourth Proportional to 282,267.29, 389,527.88 and 153,205.77

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Solution

The fourth proportional to 282,267.29, 389,527.88 and 153,205.77 is: 211,423.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,267.29 : 389,527.88 = 153,205.77 : x
  2. Step 2: Convert to fraction form
    282,267.29/389,527.88 = 153,205.77/x
  3. Step 3: Cross multiply
    282,267.29x = 389,527.88 × 153,205.77
  4. Step 4: Simplify right side
    282,267.29x = 59,677,919,174.88
  5. Step 5: Solve for x
    x = 59,677,919,174.88/282,267.29
  6. Step 6: Final answer
    x = 211,423.43

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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.