Home / 180,049.04-248,464.64-99,479.92

Finding the Fourth Proportional to 180,049.04, 248,464.64 and 99,479.92

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Solution

The fourth proportional to 180,049.04, 248,464.64 and 99,479.92 is: 137,280.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,049.04 : 248,464.64 = 99,479.92 : x
  2. Step 2: Convert to fraction form
    180,049.04/248,464.64 = 99,479.92/x
  3. Step 3: Cross multiply
    180,049.04x = 248,464.64 × 99,479.92
  4. Step 4: Simplify right side
    180,049.04x = 24,717,242,510.03
  5. Step 5: Solve for x
    x = 24,717,242,510.03/180,049.04
  6. Step 6: Final answer
    x = 137,280.61

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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.