Home / 134,775.70-186,050.23-87,052.32

Finding the Fourth Proportional to 134,775.70, 186,050.23 and 87,052.32

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Solution

The fourth proportional to 134,775.70, 186,050.23 and 87,052.32 is: 120,170.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,775.70 : 186,050.23 = 87,052.32 : x
  2. Step 2: Convert to fraction form
    134,775.70/186,050.23 = 87,052.32/x
  3. Step 3: Cross multiply
    134,775.70x = 186,050.23 × 87,052.32
  4. Step 4: Simplify right side
    134,775.70x = 16,196,103,940.40
  5. Step 5: Solve for x
    x = 16,196,103,940.40/134,775.70
  6. Step 6: Final answer
    x = 120,170.80

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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.