Home / 268,733.54-403,012.02-118,970.76

Finding the Fourth Proportional to 268,733.54, 403,012.02 and 118,970.76

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Solution

The fourth proportional to 268,733.54, 403,012.02 and 118,970.76 is: 178,417.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,733.54 : 403,012.02 = 118,970.76 : x
  2. Step 2: Convert to fraction form
    268,733.54/403,012.02 = 118,970.76/x
  3. Step 3: Cross multiply
    268,733.54x = 403,012.02 × 118,970.76
  4. Step 4: Simplify right side
    268,733.54x = 47,946,646,308.54
  5. Step 5: Solve for x
    x = 47,946,646,308.54/268,733.54
  6. Step 6: Final answer
    x = 178,417.05

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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.