Home / 116,445.60-174,668.40-103,543.20

Finding the Fourth Proportional to 116,445.60, 174,668.40 and 103,543.20

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Solution

The fourth proportional to 116,445.60, 174,668.40 and 103,543.20 is: 155,314.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,445.60 : 174,668.40 = 103,543.20 : x
  2. Step 2: Convert to fraction form
    116,445.60/174,668.40 = 103,543.20/x
  3. Step 3: Cross multiply
    116,445.60x = 174,668.40 × 103,543.20
  4. Step 4: Simplify right side
    116,445.60x = 18,085,725,074.88
  5. Step 5: Solve for x
    x = 18,085,725,074.88/116,445.60
  6. Step 6: Final answer
    x = 155,314.80

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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.