Home / 282,298.74-389,507.94-167,518.14

Finding the Fourth Proportional to 282,298.74, 389,507.94 and 167,518.14

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Solution

The fourth proportional to 282,298.74, 389,507.94 and 167,518.14 is: 231,136.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,298.74 : 389,507.94 = 167,518.14 : x
  2. Step 2: Convert to fraction form
    282,298.74/389,507.94 = 167,518.14/x
  3. Step 3: Cross multiply
    282,298.74x = 389,507.94 × 167,518.14
  4. Step 4: Simplify right side
    282,298.74x = 65,249,645,624.03
  5. Step 5: Solve for x
    x = 65,249,645,624.03/282,298.74
  6. Step 6: Final answer
    x = 231,136.86

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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.