Home / 238,333.02-328,903.68-130,907.58

Finding the Fourth Proportional to 238,333.02, 328,903.68 and 130,907.58

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Solution

The fourth proportional to 238,333.02, 328,903.68 and 130,907.58 is: 180,654.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,333.02 : 328,903.68 = 130,907.58 : x
  2. Step 2: Convert to fraction form
    238,333.02/328,903.68 = 130,907.58/x
  3. Step 3: Cross multiply
    238,333.02x = 328,903.68 × 130,907.58
  4. Step 4: Simplify right side
    238,333.02x = 43,055,984,801.89
  5. Step 5: Solve for x
    x = 43,055,984,801.89/238,333.02
  6. Step 6: Final answer
    x = 180,654.72

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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.