Home / 238,820.47-358,255.77-118,907.16

Finding the Fourth Proportional to 238,820.47, 358,255.77 and 118,907.16

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Solution

The fourth proportional to 238,820.47, 358,255.77 and 118,907.16 is: 178,373.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,820.47 : 358,255.77 = 118,907.16 : x
  2. Step 2: Convert to fraction form
    238,820.47/358,255.77 = 118,907.16/x
  3. Step 3: Cross multiply
    238,820.47x = 358,255.77 × 118,907.16
  4. Step 4: Simplify right side
    238,820.47x = 42,599,176,164.31
  5. Step 5: Solve for x
    x = 42,599,176,164.31/238,820.47
  6. Step 6: Final answer
    x = 178,373.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.