Home / 140,280.99-193,587.76-76,618.94

Finding the Fourth Proportional to 140,280.99, 193,587.76 and 76,618.94

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Solution

The fourth proportional to 140,280.99, 193,587.76 and 76,618.94 is: 105,734.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,280.99 : 193,587.76 = 76,618.94 : x
  2. Step 2: Convert to fraction form
    140,280.99/193,587.76 = 76,618.94/x
  3. Step 3: Cross multiply
    140,280.99x = 193,587.76 × 76,618.94
  4. Step 4: Simplify right side
    140,280.99x = 14,832,487,808.69
  5. Step 5: Solve for x
    x = 14,832,487,808.69/140,280.99
  6. Step 6: Final answer
    x = 105,734.13

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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.