Home / 319,742.75-441,248.06-176,499.71

Finding the Fourth Proportional to 319,742.75, 441,248.06 and 176,499.71

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Solution

The fourth proportional to 319,742.75, 441,248.06 and 176,499.71 is: 243,571.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,742.75 : 441,248.06 = 176,499.71 : x
  2. Step 2: Convert to fraction form
    319,742.75/441,248.06 = 176,499.71/x
  3. Step 3: Cross multiply
    319,742.75x = 441,248.06 × 176,499.71
  4. Step 4: Simplify right side
    319,742.75x = 77,880,151,539.32
  5. Step 5: Solve for x
    x = 77,880,151,539.32/319,742.75
  6. Step 6: Final answer
    x = 243,571.29

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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.