Home / 373,107.45-514,890.02-211,971.34

Finding the Fourth Proportional to 373,107.45, 514,890.02 and 211,971.34

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Solution

The fourth proportional to 373,107.45, 514,890.02 and 211,971.34 is: 292,521.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,107.45 : 514,890.02 = 211,971.34 : x
  2. Step 2: Convert to fraction form
    373,107.45/514,890.02 = 211,971.34/x
  3. Step 3: Cross multiply
    373,107.45x = 514,890.02 × 211,971.34
  4. Step 4: Simplify right side
    373,107.45x = 109,141,927,492.03
  5. Step 5: Solve for x
    x = 109,141,927,492.03/373,107.45
  6. Step 6: Final answer
    x = 292,521.44

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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.