Home / 272,200.51-375,657.75-163,308.95

Finding the Fourth Proportional to 272,200.51, 375,657.75 and 163,308.95

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Solution

The fourth proportional to 272,200.51, 375,657.75 and 163,308.95 is: 225,378.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,200.51 : 375,657.75 = 163,308.95 : x
  2. Step 2: Convert to fraction form
    272,200.51/375,657.75 = 163,308.95/x
  3. Step 3: Cross multiply
    272,200.51x = 375,657.75 × 163,308.95
  4. Step 4: Simplify right side
    272,200.51x = 61,348,272,711.86
  5. Step 5: Solve for x
    x = 61,348,272,711.86/272,200.51
  6. Step 6: Final answer
    x = 225,378.98

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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.