Home / 140,026.89-193,235.16-76,364.67

Finding the Fourth Proportional to 140,026.89, 193,235.16 and 76,364.67

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Solution

The fourth proportional to 140,026.89, 193,235.16 and 76,364.67 is: 105,382.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,026.89 : 193,235.16 = 76,364.67 : x
  2. Step 2: Convert to fraction form
    140,026.89/193,235.16 = 76,364.67/x
  3. Step 3: Cross multiply
    140,026.89x = 193,235.16 × 76,364.67
  4. Step 4: Simplify right side
    140,026.89x = 14,756,339,225.80
  5. Step 5: Solve for x
    x = 14,756,339,225.80/140,026.89
  6. Step 6: Final answer
    x = 105,382.18

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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.