Home / 255,443.09-352,522.35-142,265.84

Finding the Fourth Proportional to 255,443.09, 352,522.35 and 142,265.84

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Solution

The fourth proportional to 255,443.09, 352,522.35 and 142,265.84 is: 196,332.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,443.09 : 352,522.35 = 142,265.84 : x
  2. Step 2: Convert to fraction form
    255,443.09/352,522.35 = 142,265.84/x
  3. Step 3: Cross multiply
    255,443.09x = 352,522.35 × 142,265.84
  4. Step 4: Simplify right side
    255,443.09x = 50,151,886,478.91
  5. Step 5: Solve for x
    x = 50,151,886,478.91/255,443.09
  6. Step 6: Final answer
    x = 196,332.92

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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.