Home / 319,726.31-441,220.77-176,485.10

Finding the Fourth Proportional to 319,726.31, 441,220.77 and 176,485.10

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Solution

The fourth proportional to 319,726.31, 441,220.77 and 176,485.10 is: 243,548.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,726.31 : 441,220.77 = 176,485.10 : x
  2. Step 2: Convert to fraction form
    319,726.31/441,220.77 = 176,485.10/x
  3. Step 3: Cross multiply
    319,726.31x = 441,220.77 × 176,485.10
  4. Step 4: Simplify right side
    319,726.31x = 77,868,889,509.42
  5. Step 5: Solve for x
    x = 77,868,889,509.42/319,726.31
  6. Step 6: Final answer
    x = 243,548.59

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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.