Home / 319,758.09-441,254.60-176,515.06

Finding the Fourth Proportional to 319,758.09, 441,254.60 and 176,515.06

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Solution

The fourth proportional to 319,758.09, 441,254.60 and 176,515.06 is: 243,584.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,758.09 : 441,254.60 = 176,515.06 : x
  2. Step 2: Convert to fraction form
    319,758.09/441,254.60 = 176,515.06/x
  3. Step 3: Cross multiply
    319,758.09x = 441,254.60 × 176,515.06
  4. Step 4: Simplify right side
    319,758.09x = 77,888,081,311.70
  5. Step 5: Solve for x
    x = 77,888,081,311.70/319,758.09
  6. Step 6: Final answer
    x = 243,584.40

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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.