Home / 384,108.17-530,069.37-212,026.23

Finding the Fourth Proportional to 384,108.17, 530,069.37 and 212,026.23

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Solution

The fourth proportional to 384,108.17, 530,069.37 and 212,026.23 is: 292,596.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,108.17 : 530,069.37 = 212,026.23 : x
  2. Step 2: Convert to fraction form
    384,108.17/530,069.37 = 212,026.23/x
  3. Step 3: Cross multiply
    384,108.17x = 530,069.37 × 212,026.23
  4. Step 4: Simplify right side
    384,108.17x = 112,388,608,619.07
  5. Step 5: Solve for x
    x = 112,388,608,619.07/384,108.17
  6. Step 6: Final answer
    x = 292,596.25

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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.