Home / 134,774.20-186,048.18-87,050.82

Finding the Fourth Proportional to 134,774.20, 186,048.18 and 87,050.82

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Solution

The fourth proportional to 134,774.20, 186,048.18 and 87,050.82 is: 120,168.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,774.20 : 186,048.18 = 87,050.82 : x
  2. Step 2: Convert to fraction form
    134,774.20/186,048.18 = 87,050.82/x
  3. Step 3: Cross multiply
    134,774.20x = 186,048.18 × 87,050.82
  4. Step 4: Simplify right side
    134,774.20x = 16,195,646,193.25
  5. Step 5: Solve for x
    x = 16,195,646,193.25/134,774.20
  6. Step 6: Final answer
    x = 120,168.75

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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.