Home / 155,126.96-214,095-94,684.67

Finding the Fourth Proportional to 155,126.96, 214,095 and 94,684.67

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Solution

The fourth proportional to 155,126.96, 214,095 and 94,684.67 is: 130,676.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,126.96 : 214,095 = 94,684.67 : x
  2. Step 2: Convert to fraction form
    155,126.96/214,095 = 94,684.67/x
  3. Step 3: Cross multiply
    155,126.96x = 214,095 × 94,684.67
  4. Step 4: Simplify right side
    155,126.96x = 20,271,514,423.65
  5. Step 5: Solve for x
    x = 20,271,514,423.65/155,126.96
  6. Step 6: Final answer
    x = 130,676.93

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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.