Home / 319,955.75-441,501.17-176,707.25

Finding the Fourth Proportional to 319,955.75, 441,501.17 and 176,707.25

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Solution

The fourth proportional to 319,955.75, 441,501.17 and 176,707.25 is: 243,835.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,955.75 : 441,501.17 = 176,707.25 : x
  2. Step 2: Convert to fraction form
    319,955.75/441,501.17 = 176,707.25/x
  3. Step 3: Cross multiply
    319,955.75x = 441,501.17 × 176,707.25
  4. Step 4: Simplify right side
    319,955.75x = 78,016,456,187.07
  5. Step 5: Solve for x
    x = 78,016,456,187.07/319,955.75
  6. Step 6: Final answer
    x = 243,835.14

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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.