Home / 235,412.79-324,876.06-127,990.23

Finding the Fourth Proportional to 235,412.79, 324,876.06 and 127,990.23

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Solution

The fourth proportional to 235,412.79, 324,876.06 and 127,990.23 is: 176,630.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,412.79 : 324,876.06 = 127,990.23 : x
  2. Step 2: Convert to fraction form
    235,412.79/324,876.06 = 127,990.23/x
  3. Step 3: Cross multiply
    235,412.79x = 324,876.06 × 127,990.23
  4. Step 4: Simplify right side
    235,412.79x = 41,580,961,640.89
  5. Step 5: Solve for x
    x = 41,580,961,640.89/235,412.79
  6. Step 6: Final answer
    x = 176,630.00

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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.