Home / 193,890.95-291,108.89-99,189.06

Finding the Fourth Proportional to 193,890.95, 291,108.89 and 99,189.06

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Solution

The fourth proportional to 193,890.95, 291,108.89 and 99,189.06 is: 148,922.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,890.95 : 291,108.89 = 99,189.06 : x
  2. Step 2: Convert to fraction form
    193,890.95/291,108.89 = 99,189.06/x
  3. Step 3: Cross multiply
    193,890.95x = 291,108.89 × 99,189.06
  4. Step 4: Simplify right side
    193,890.95x = 28,874,817,404.72
  5. Step 5: Solve for x
    x = 28,874,817,404.72/193,890.95
  6. Step 6: Final answer
    x = 148,922.98

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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.