Home / 120,267.16-180,548.16-115,510.24

Finding the Fourth Proportional to 120,267.16, 180,548.16 and 115,510.24

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Solution

The fourth proportional to 120,267.16, 180,548.16 and 115,510.24 is: 173,406.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,267.16 : 180,548.16 = 115,510.24 : x
  2. Step 2: Convert to fraction form
    120,267.16/180,548.16 = 115,510.24/x
  3. Step 3: Cross multiply
    120,267.16x = 180,548.16 × 115,510.24
  4. Step 4: Simplify right side
    120,267.16x = 20,855,161,293.16
  5. Step 5: Solve for x
    x = 20,855,161,293.16/120,267.16
  6. Step 6: Final answer
    x = 173,406.95

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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.