Home / 320,347.53-442,088.82-177,116.82

Finding the Fourth Proportional to 320,347.53, 442,088.82 and 177,116.82

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Solution

The fourth proportional to 320,347.53, 442,088.82 and 177,116.82 is: 244,426.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,347.53 : 442,088.82 = 177,116.82 : x
  2. Step 2: Convert to fraction form
    320,347.53/442,088.82 = 177,116.82/x
  3. Step 3: Cross multiply
    320,347.53x = 442,088.82 × 177,116.82
  4. Step 4: Simplify right side
    320,347.53x = 78,301,365,955.95
  5. Step 5: Solve for x
    x = 78,301,365,955.95/320,347.53
  6. Step 6: Final answer
    x = 244,426.31

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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.