Home / 319,738.72-441,237-176,498.86

Finding the Fourth Proportional to 319,738.72, 441,237 and 176,498.86

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Solution

The fourth proportional to 319,738.72, 441,237 and 176,498.86 is: 243,567.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,738.72 : 441,237 = 176,498.86 : x
  2. Step 2: Convert to fraction form
    319,738.72/441,237 = 176,498.86/x
  3. Step 3: Cross multiply
    319,738.72x = 441,237 × 176,498.86
  4. Step 4: Simplify right side
    319,738.72x = 77,877,827,489.82
  5. Step 5: Solve for x
    x = 77,877,827,489.82/319,738.72
  6. Step 6: Final answer
    x = 243,567.08

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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.