Home / 369,260.22-553,668.50-144,352.78

Finding the Fourth Proportional to 369,260.22, 553,668.50 and 144,352.78

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Solution

The fourth proportional to 369,260.22, 553,668.50 and 144,352.78 is: 216,442.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,260.22 : 553,668.50 = 144,352.78 : x
  2. Step 2: Convert to fraction form
    369,260.22/553,668.50 = 144,352.78/x
  3. Step 3: Cross multiply
    369,260.22x = 553,668.50 × 144,352.78
  4. Step 4: Simplify right side
    369,260.22x = 79,923,587,173.43
  5. Step 5: Solve for x
    x = 79,923,587,173.43/369,260.22
  6. Step 6: Final answer
    x = 216,442.45

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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.