Home / 237,784.40-328,140.96-130,361.12

Finding the Fourth Proportional to 237,784.40, 328,140.96 and 130,361.12

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Solution

The fourth proportional to 237,784.40, 328,140.96 and 130,361.12 is: 179,897.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,784.40 : 328,140.96 = 130,361.12 : x
  2. Step 2: Convert to fraction form
    237,784.40/328,140.96 = 130,361.12/x
  3. Step 3: Cross multiply
    237,784.40x = 328,140.96 × 130,361.12
  4. Step 4: Simplify right side
    237,784.40x = 42,776,823,063.48
  5. Step 5: Solve for x
    x = 42,776,823,063.48/237,784.40
  6. Step 6: Final answer
    x = 179,897.52

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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.