Home / 355,417.50-533,153.80-118,761.02

Finding the Fourth Proportional to 355,417.50, 533,153.80 and 118,761.02

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Solution

The fourth proportional to 355,417.50, 533,153.80 and 118,761.02 is: 178,150.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,417.50 : 533,153.80 = 118,761.02 : x
  2. Step 2: Convert to fraction form
    355,417.50/533,153.80 = 118,761.02/x
  3. Step 3: Cross multiply
    355,417.50x = 533,153.80 × 118,761.02
  4. Step 4: Simplify right side
    355,417.50x = 63,317,889,104.88
  5. Step 5: Solve for x
    x = 63,317,889,104.88/355,417.50
  6. Step 6: Final answer
    x = 178,150.74

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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.