Home / 255,143.20-382,668.72-97,336.48

Finding the Fourth Proportional to 255,143.20, 382,668.72 and 97,336.48

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Solution

The fourth proportional to 255,143.20, 382,668.72 and 97,336.48 is: 145,987.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,143.20 : 382,668.72 = 97,336.48 : x
  2. Step 2: Convert to fraction form
    255,143.20/382,668.72 = 97,336.48/x
  3. Step 3: Cross multiply
    255,143.20x = 382,668.72 × 97,336.48
  4. Step 4: Simplify right side
    255,143.20x = 37,247,626,210.91
  5. Step 5: Solve for x
    x = 37,247,626,210.91/255,143.20
  6. Step 6: Final answer
    x = 145,987.14

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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.