Home / 140,045.08-193,228.95-79,610.93

Finding the Fourth Proportional to 140,045.08, 193,228.95 and 79,610.93

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Solution

The fourth proportional to 140,045.08, 193,228.95 and 79,610.93 is: 109,844.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,045.08 : 193,228.95 = 79,610.93 : x
  2. Step 2: Convert to fraction form
    140,045.08/193,228.95 = 79,610.93/x
  3. Step 3: Cross multiply
    140,045.08x = 193,228.95 × 79,610.93
  4. Step 4: Simplify right side
    140,045.08x = 15,383,136,412.42
  5. Step 5: Solve for x
    x = 15,383,136,412.42/140,045.08
  6. Step 6: Final answer
    x = 109,844.18

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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.