Home / 102,185.60-153,197.76-43,030.40

Finding the Fourth Proportional to 102,185.60, 153,197.76 and 43,030.40

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Solution

The fourth proportional to 102,185.60, 153,197.76 and 43,030.40 is: 64,511.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,185.60 : 153,197.76 = 43,030.40 : x
  2. Step 2: Convert to fraction form
    102,185.60/153,197.76 = 43,030.40/x
  3. Step 3: Cross multiply
    102,185.60x = 153,197.76 × 43,030.40
  4. Step 4: Simplify right side
    102,185.60x = 6,592,160,891.90
  5. Step 5: Solve for x
    x = 6,592,160,891.90/102,185.60
  6. Step 6: Final answer
    x = 64,511.64

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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.