Home / 238,080.36-328,560.37-130,654.24

Finding the Fourth Proportional to 238,080.36, 328,560.37 and 130,654.24

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Solution

The fourth proportional to 238,080.36, 328,560.37 and 130,654.24 is: 180,308.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,080.36 : 328,560.37 = 130,654.24 : x
  2. Step 2: Convert to fraction form
    238,080.36/328,560.37 = 130,654.24/x
  3. Step 3: Cross multiply
    238,080.36x = 328,560.37 × 130,654.24
  4. Step 4: Simplify right side
    238,080.36x = 42,927,803,793.67
  5. Step 5: Solve for x
    x = 42,927,803,793.67/238,080.36
  6. Step 6: Final answer
    x = 180,308.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.