Home / 319,182.90-440,332.79-210,146.58

Finding the Fourth Proportional to 319,182.90, 440,332.79 and 210,146.58

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Solution

The fourth proportional to 319,182.90, 440,332.79 and 210,146.58 is: 289,910.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,182.90 : 440,332.79 = 210,146.58 : x
  2. Step 2: Convert to fraction form
    319,182.90/440,332.79 = 210,146.58/x
  3. Step 3: Cross multiply
    319,182.90x = 440,332.79 × 210,146.58
  4. Step 4: Simplify right side
    319,182.90x = 92,534,428,829.63
  5. Step 5: Solve for x
    x = 92,534,428,829.63/319,182.90
  6. Step 6: Final answer
    x = 289,910.36

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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.