Home / 212,692.23-319,112.46-94,446.81

Finding the Fourth Proportional to 212,692.23, 319,112.46 and 94,446.81

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Solution

The fourth proportional to 212,692.23, 319,112.46 and 94,446.81 is: 141,703.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,692.23 : 319,112.46 = 94,446.81 : x
  2. Step 2: Convert to fraction form
    212,692.23/319,112.46 = 94,446.81/x
  3. Step 3: Cross multiply
    212,692.23x = 319,112.46 × 94,446.81
  4. Step 4: Simplify right side
    212,692.23x = 30,139,153,878.25
  5. Step 5: Solve for x
    x = 30,139,153,878.25/212,692.23
  6. Step 6: Final answer
    x = 141,703.13

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1.5x scale

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.