Home / 176,913.12-265,300.56-78,348

Finding the Fourth Proportional to 176,913.12, 265,300.56 and 78,348

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Solution

The fourth proportional to 176,913.12, 265,300.56 and 78,348 is: 117,491.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,913.12 : 265,300.56 = 78,348 : x
  2. Step 2: Convert to fraction form
    176,913.12/265,300.56 = 78,348/x
  3. Step 3: Cross multiply
    176,913.12x = 265,300.56 × 78,348
  4. Step 4: Simplify right side
    176,913.12x = 20,785,768,274.88
  5. Step 5: Solve for x
    x = 20,785,768,274.88/176,913.12
  6. Step 6: Final answer
    x = 117,491.39

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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.