Home / 355,416.13-533,151.73-118,759.64

Finding the Fourth Proportional to 355,416.13, 533,151.73 and 118,759.64

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Solution

The fourth proportional to 355,416.13, 533,151.73 and 118,759.64 is: 178,148.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,416.13 : 533,151.73 = 118,759.64 : x
  2. Step 2: Convert to fraction form
    355,416.13/533,151.73 = 118,759.64/x
  3. Step 3: Cross multiply
    355,416.13x = 533,151.73 × 118,759.64
  4. Step 4: Simplify right side
    355,416.13x = 63,316,909,149.96
  5. Step 5: Solve for x
    x = 63,316,909,149.96/355,416.13
  6. Step 6: Final answer
    x = 178,148.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.