Home / 238,041.40-328,500.54-130,609.48

Finding the Fourth Proportional to 238,041.40, 328,500.54 and 130,609.48

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Solution

The fourth proportional to 238,041.40, 328,500.54 and 130,609.48 is: 180,242.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,041.40 : 328,500.54 = 130,609.48 : x
  2. Step 2: Convert to fraction form
    238,041.40/328,500.54 = 130,609.48/x
  3. Step 3: Cross multiply
    238,041.40x = 328,500.54 × 130,609.48
  4. Step 4: Simplify right side
    238,041.40x = 42,905,284,709.12
  5. Step 5: Solve for x
    x = 42,905,284,709.12/238,041.40
  6. Step 6: Final answer
    x = 180,242.95

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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.