Home / 120,363.04-166,073.52-77,365

Finding the Fourth Proportional to 120,363.04, 166,073.52 and 77,365

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Solution

The fourth proportional to 120,363.04, 166,073.52 and 77,365 is: 106,746.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,363.04 : 166,073.52 = 77,365 : x
  2. Step 2: Convert to fraction form
    120,363.04/166,073.52 = 77,365/x
  3. Step 3: Cross multiply
    120,363.04x = 166,073.52 × 77,365
  4. Step 4: Simplify right side
    120,363.04x = 12,848,277,874.80
  5. Step 5: Solve for x
    x = 12,848,277,874.80/120,363.04
  6. Step 6: Final answer
    x = 106,746.04

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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.