Home / 123,455.04-185,258.16-53,332.80

Finding the Fourth Proportional to 123,455.04, 185,258.16 and 53,332.80

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Solution

The fourth proportional to 123,455.04, 185,258.16 and 53,332.80 is: 80,031.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,455.04 : 185,258.16 = 53,332.80 : x
  2. Step 2: Convert to fraction form
    123,455.04/185,258.16 = 53,332.80/x
  3. Step 3: Cross multiply
    123,455.04x = 185,258.16 × 53,332.80
  4. Step 4: Simplify right side
    123,455.04x = 9,880,336,395.65
  5. Step 5: Solve for x
    x = 9,880,336,395.65/123,455.04
  6. Step 6: Final answer
    x = 80,031.86

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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.