Home / 282,312.34-389,591.37-153,250.79

Finding the Fourth Proportional to 282,312.34, 389,591.37 and 153,250.79

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Solution

The fourth proportional to 282,312.34, 389,591.37 and 153,250.79 is: 211,486.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,312.34 : 389,591.37 = 153,250.79 : x
  2. Step 2: Convert to fraction form
    282,312.34/389,591.37 = 153,250.79/x
  3. Step 3: Cross multiply
    282,312.34x = 389,591.37 × 153,250.79
  4. Step 4: Simplify right side
    282,312.34x = 59,705,183,281.73
  5. Step 5: Solve for x
    x = 59,705,183,281.73/282,312.34
  6. Step 6: Final answer
    x = 211,486.27

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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.