Home / 153,790.20-230,858.10-118,884.60

Finding the Fourth Proportional to 153,790.20, 230,858.10 and 118,884.60

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Solution

The fourth proportional to 153,790.20, 230,858.10 and 118,884.60 is: 178,460.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,790.20 : 230,858.10 = 118,884.60 : x
  2. Step 2: Convert to fraction form
    153,790.20/230,858.10 = 118,884.60/x
  3. Step 3: Cross multiply
    153,790.20x = 230,858.10 × 118,884.60
  4. Step 4: Simplify right side
    153,790.20x = 27,445,472,875.26
  5. Step 5: Solve for x
    x = 27,445,472,875.26/153,790.20
  6. Step 6: Final answer
    x = 178,460.48

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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.