Home / 157,829.76-217,740.59-116,535.71

Finding the Fourth Proportional to 157,829.76, 217,740.59 and 116,535.71

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Solution

The fourth proportional to 157,829.76, 217,740.59 and 116,535.71 is: 160,771.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,829.76 : 217,740.59 = 116,535.71 : x
  2. Step 2: Convert to fraction form
    157,829.76/217,740.59 = 116,535.71/x
  3. Step 3: Cross multiply
    157,829.76x = 217,740.59 × 116,535.71
  4. Step 4: Simplify right side
    157,829.76x = 25,374,554,213.14
  5. Step 5: Solve for x
    x = 25,374,554,213.14/157,829.76
  6. Step 6: Final answer
    x = 160,771.67

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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.