Home / 238,052.69-328,533.49-130,643.45

Finding the Fourth Proportional to 238,052.69, 328,533.49 and 130,643.45

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Solution

The fourth proportional to 238,052.69, 328,533.49 and 130,643.45 is: 180,299.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,052.69 : 328,533.49 = 130,643.45 : x
  2. Step 2: Convert to fraction form
    238,052.69/328,533.49 = 130,643.45/x
  3. Step 3: Cross multiply
    238,052.69x = 328,533.49 × 130,643.45
  4. Step 4: Simplify right side
    238,052.69x = 42,920,746,278.26
  5. Step 5: Solve for x
    x = 42,920,746,278.26/238,052.69
  6. Step 6: Final answer
    x = 180,299.36

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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.