Home / 140,212.04-193,484.40-76,537.04

Finding the Fourth Proportional to 140,212.04, 193,484.40 and 76,537.04

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Solution

The fourth proportional to 140,212.04, 193,484.40 and 76,537.04 is: 105,616.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,212.04 : 193,484.40 = 76,537.04 : x
  2. Step 2: Convert to fraction form
    140,212.04/193,484.40 = 76,537.04/x
  3. Step 3: Cross multiply
    140,212.04x = 193,484.40 × 76,537.04
  4. Step 4: Simplify right side
    140,212.04x = 14,808,723,262.18
  5. Step 5: Solve for x
    x = 14,808,723,262.18/140,212.04
  6. Step 6: Final answer
    x = 105,616.63

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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.