Home / 235,242.45-324,636.03-127,812.42

Finding the Fourth Proportional to 235,242.45, 324,636.03 and 127,812.42

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Solution

The fourth proportional to 235,242.45, 324,636.03 and 127,812.42 is: 176,381.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,242.45 : 324,636.03 = 127,812.42 : x
  2. Step 2: Convert to fraction form
    235,242.45/324,636.03 = 127,812.42/x
  3. Step 3: Cross multiply
    235,242.45x = 324,636.03 × 127,812.42
  4. Step 4: Simplify right side
    235,242.45x = 41,492,516,613.49
  5. Step 5: Solve for x
    x = 41,492,516,613.49/235,242.45
  6. Step 6: Final answer
    x = 176,381.93

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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.