Home / 136,437.40-204,656.10-124,627.60

Finding the Fourth Proportional to 136,437.40, 204,656.10 and 124,627.60

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Solution

The fourth proportional to 136,437.40, 204,656.10 and 124,627.60 is: 186,941.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,437.40 : 204,656.10 = 124,627.60 : x
  2. Step 2: Convert to fraction form
    136,437.40/204,656.10 = 124,627.60/x
  3. Step 3: Cross multiply
    136,437.40x = 204,656.10 × 124,627.60
  4. Step 4: Simplify right side
    136,437.40x = 25,505,798,568.36
  5. Step 5: Solve for x
    x = 25,505,798,568.36/136,437.40
  6. Step 6: Final answer
    x = 186,941.40

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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.