Home / 238,034.40-328,476.48-130,601.76

Finding the Fourth Proportional to 238,034.40, 328,476.48 and 130,601.76

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Solution

The fourth proportional to 238,034.40, 328,476.48 and 130,601.76 is: 180,224.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,034.40 : 328,476.48 = 130,601.76 : x
  2. Step 2: Convert to fraction form
    238,034.40/328,476.48 = 130,601.76/x
  3. Step 3: Cross multiply
    238,034.40x = 328,476.48 × 130,601.76
  4. Step 4: Simplify right side
    238,034.40x = 42,899,606,406.60
  5. Step 5: Solve for x
    x = 42,899,606,406.60/238,034.40
  6. Step 6: Final answer
    x = 180,224.40

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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.