Home / 352,298.10-528,058.35-194,639.70

Finding the Fourth Proportional to 352,298.10, 528,058.35 and 194,639.70

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Solution

The fourth proportional to 352,298.10, 528,058.35 and 194,639.70 is: 291,744.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,298.10 : 528,058.35 = 194,639.70 : x
  2. Step 2: Convert to fraction form
    352,298.10/528,058.35 = 194,639.70/x
  3. Step 3: Cross multiply
    352,298.10x = 528,058.35 × 194,639.70
  4. Step 4: Simplify right side
    352,298.10x = 102,781,118,826.50
  5. Step 5: Solve for x
    x = 102,781,118,826.50/352,298.10
  6. Step 6: Final answer
    x = 291,744.74

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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.