Home / 99,215.40-148,633.02-95,880.36

Finding the Fourth Proportional to 99,215.40, 148,633.02 and 95,880.36

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Solution

The fourth proportional to 99,215.40, 148,633.02 and 95,880.36 is: 143,636.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,215.40 : 148,633.02 = 95,880.36 : x
  2. Step 2: Convert to fraction form
    99,215.40/148,633.02 = 95,880.36/x
  3. Step 3: Cross multiply
    99,215.40x = 148,633.02 × 95,880.36
  4. Step 4: Simplify right side
    99,215.40x = 14,250,987,465.49
  5. Step 5: Solve for x
    x = 14,250,987,465.49/99,215.40
  6. Step 6: Final answer
    x = 143,636.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.