Home / 134,666.60-201,999.90-103,173.80

Finding the Fourth Proportional to 134,666.60, 201,999.90 and 103,173.80

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Solution

The fourth proportional to 134,666.60, 201,999.90 and 103,173.80 is: 154,760.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,666.60 : 201,999.90 = 103,173.80 : x
  2. Step 2: Convert to fraction form
    134,666.60/201,999.90 = 103,173.80/x
  3. Step 3: Cross multiply
    134,666.60x = 201,999.90 × 103,173.80
  4. Step 4: Simplify right side
    134,666.60x = 20,841,097,282.62
  5. Step 5: Solve for x
    x = 20,841,097,282.62/134,666.60
  6. Step 6: Final answer
    x = 154,760.70

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1.5x scale

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.