Home / 210,056.72-289,874.75-114,557.72

Finding the Fourth Proportional to 210,056.72, 289,874.75 and 114,557.72

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Solution

The fourth proportional to 210,056.72, 289,874.75 and 114,557.72 is: 158,087.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,056.72 : 289,874.75 = 114,557.72 : x
  2. Step 2: Convert to fraction form
    210,056.72/289,874.75 = 114,557.72/x
  3. Step 3: Cross multiply
    210,056.72x = 289,874.75 × 114,557.72
  4. Step 4: Simplify right side
    210,056.72x = 33,207,388,423.41
  5. Step 5: Solve for x
    x = 33,207,388,423.41/210,056.72
  6. Step 6: Final answer
    x = 158,087.73

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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.