Home / 185,710.54-256,491.57-125,176.72

Finding the Fourth Proportional to 185,710.54, 256,491.57 and 125,176.72

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Solution

The fourth proportional to 185,710.54, 256,491.57 and 125,176.72 is: 172,886.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,710.54 : 256,491.57 = 125,176.72 : x
  2. Step 2: Convert to fraction form
    185,710.54/256,491.57 = 125,176.72/x
  3. Step 3: Cross multiply
    185,710.54x = 256,491.57 × 125,176.72
  4. Step 4: Simplify right side
    185,710.54x = 32,106,773,440.25
  5. Step 5: Solve for x
    x = 32,106,773,440.25/185,710.54
  6. Step 6: Final answer
    x = 172,886.11

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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.