Home / 238,055.40-328,505.44-130,622.76

Finding the Fourth Proportional to 238,055.40, 328,505.44 and 130,622.76

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Solution

The fourth proportional to 238,055.40, 328,505.44 and 130,622.76 is: 180,253.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,055.40 : 328,505.44 = 130,622.76 : x
  2. Step 2: Convert to fraction form
    238,055.40/328,505.44 = 130,622.76/x
  3. Step 3: Cross multiply
    238,055.40x = 328,505.44 × 130,622.76
  4. Step 4: Simplify right side
    238,055.40x = 42,910,287,247.81
  5. Step 5: Solve for x
    x = 42,910,287,247.81/238,055.40
  6. Step 6: Final answer
    x = 180,253.37

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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.