Home / 119,307.68-178,951.28-56,112.95

Finding the Fourth Proportional to 119,307.68, 178,951.28 and 56,112.95

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Solution

The fourth proportional to 119,307.68, 178,951.28 and 56,112.95 is: 84,164.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,307.68 : 178,951.28 = 56,112.95 : x
  2. Step 2: Convert to fraction form
    119,307.68/178,951.28 = 56,112.95/x
  3. Step 3: Cross multiply
    119,307.68x = 178,951.28 × 56,112.95
  4. Step 4: Simplify right side
    119,307.68x = 10,041,484,393.89
  5. Step 5: Solve for x
    x = 10,041,484,393.89/119,307.68
  6. Step 6: Final answer
    x = 84,164.61

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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.