Home / 238,076.39-328,549.51-130,656.42

Finding the Fourth Proportional to 238,076.39, 328,549.51 and 130,656.42

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Solution

The fourth proportional to 238,076.39, 328,549.51 and 130,656.42 is: 180,308.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,076.39 : 328,549.51 = 130,656.42 : x
  2. Step 2: Convert to fraction form
    238,076.39/328,549.51 = 130,656.42/x
  3. Step 3: Cross multiply
    238,076.39x = 328,549.51 × 130,656.42
  4. Step 4: Simplify right side
    238,076.39x = 42,927,102,932.67
  5. Step 5: Solve for x
    x = 42,927,102,932.67/238,076.39
  6. Step 6: Final answer
    x = 180,308.10

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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.