Home / 255,747.40-383,766.90-176,918.20

Finding the Fourth Proportional to 255,747.40, 383,766.90 and 176,918.20

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Solution

The fourth proportional to 255,747.40, 383,766.90 and 176,918.20 is: 265,478.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,747.40 : 383,766.90 = 176,918.20 : x
  2. Step 2: Convert to fraction form
    255,747.40/383,766.90 = 176,918.20/x
  3. Step 3: Cross multiply
    255,747.40x = 383,766.90 × 176,918.20
  4. Step 4: Simplify right side
    255,747.40x = 67,895,349,167.58
  5. Step 5: Solve for x
    x = 67,895,349,167.58/255,747.40
  6. Step 6: Final answer
    x = 265,478.16

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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.