Home / 282,064.90-422,875.84-193,048.53

Finding the Fourth Proportional to 282,064.90, 422,875.84 and 193,048.53

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Solution

The fourth proportional to 282,064.90, 422,875.84 and 193,048.53 is: 289,421.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,064.90 : 422,875.84 = 193,048.53 : x
  2. Step 2: Convert to fraction form
    282,064.90/422,875.84 = 193,048.53/x
  3. Step 3: Cross multiply
    282,064.90x = 422,875.84 × 193,048.53
  4. Step 4: Simplify right side
    282,064.90x = 81,635,559,284.52
  5. Step 5: Solve for x
    x = 81,635,559,284.52/282,064.90
  6. Step 6: Final answer
    x = 289,421.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.