Home / 235,136.50-324,490.75-127,708.63

Finding the Fourth Proportional to 235,136.50, 324,490.75 and 127,708.63

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Solution

The fourth proportional to 235,136.50, 324,490.75 and 127,708.63 is: 176,239.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,136.50 : 324,490.75 = 127,708.63 : x
  2. Step 2: Convert to fraction form
    235,136.50/324,490.75 = 127,708.63/x
  3. Step 3: Cross multiply
    235,136.50x = 324,490.75 × 127,708.63
  4. Step 4: Simplify right side
    235,136.50x = 41,440,269,130.17
  5. Step 5: Solve for x
    x = 41,440,269,130.17/235,136.50
  6. Step 6: Final answer
    x = 176,239.20

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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.