Home / 238,064.49-328,528.10-130,636.32

Finding the Fourth Proportional to 238,064.49, 328,528.10 and 130,636.32

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Solution

The fourth proportional to 238,064.49, 328,528.10 and 130,636.32 is: 180,277.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,064.49 : 328,528.10 = 130,636.32 : x
  2. Step 2: Convert to fraction form
    238,064.49/328,528.10 = 130,636.32/x
  3. Step 3: Cross multiply
    238,064.49x = 328,528.10 × 130,636.32
  4. Step 4: Simplify right side
    238,064.49x = 42,917,701,347.41
  5. Step 5: Solve for x
    x = 42,917,701,347.41/238,064.49
  6. Step 6: Final answer
    x = 180,277.63

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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.