Home / 282,525.08-390,229.98-211,222.04

Finding the Fourth Proportional to 282,525.08, 390,229.98 and 211,222.04

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Solution

The fourth proportional to 282,525.08, 390,229.98 and 211,222.04 is: 291,744.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,525.08 : 390,229.98 = 211,222.04 : x
  2. Step 2: Convert to fraction form
    282,525.08/390,229.98 = 211,222.04/x
  3. Step 3: Cross multiply
    282,525.08x = 390,229.98 × 211,222.04
  4. Step 4: Simplify right side
    282,525.08x = 82,425,172,444.76
  5. Step 5: Solve for x
    x = 82,425,172,444.76/282,525.08
  6. Step 6: Final answer
    x = 291,744.62

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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.