Home / 212,282.74-292,828.53-132,656.50

Finding the Fourth Proportional to 212,282.74, 292,828.53 and 132,656.50

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Solution

The fourth proportional to 212,282.74, 292,828.53 and 132,656.50 is: 182,989.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,282.74 : 292,828.53 = 132,656.50 : x
  2. Step 2: Convert to fraction form
    212,282.74/292,828.53 = 132,656.50/x
  3. Step 3: Cross multiply
    212,282.74x = 292,828.53 × 132,656.50
  4. Step 4: Simplify right side
    212,282.74x = 38,845,607,889.95
  5. Step 5: Solve for x
    x = 38,845,607,889.95/212,282.74
  6. Step 6: Final answer
    x = 182,989.95

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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.