Home / 238,288.08-328,824.72-136,315.56

Finding the Fourth Proportional to 238,288.08, 328,824.72 and 136,315.56

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Solution

The fourth proportional to 238,288.08, 328,824.72 and 136,315.56 is: 188,108.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,288.08 : 328,824.72 = 136,315.56 : x
  2. Step 2: Convert to fraction form
    238,288.08/328,824.72 = 136,315.56/x
  3. Step 3: Cross multiply
    238,288.08x = 328,824.72 × 136,315.56
  4. Step 4: Simplify right side
    238,288.08x = 44,823,925,848.64
  5. Step 5: Solve for x
    x = 44,823,925,848.64/238,288.08
  6. Step 6: Final answer
    x = 188,108.13

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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.