Home / 238,925.30-329,679.14-136,931.12

Finding the Fourth Proportional to 238,925.30, 329,679.14 and 136,931.12

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Solution

The fourth proportional to 238,925.30, 329,679.14 and 136,931.12 is: 188,943.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,925.30 : 329,679.14 = 136,931.12 : x
  2. Step 2: Convert to fraction form
    238,925.30/329,679.14 = 136,931.12/x
  3. Step 3: Cross multiply
    238,925.30x = 329,679.14 × 136,931.12
  4. Step 4: Simplify right side
    238,925.30x = 45,143,333,880.84
  5. Step 5: Solve for x
    x = 45,143,333,880.84/238,925.30
  6. Step 6: Final answer
    x = 188,943.30

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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.