Home / 151,938.71-209,539.22-126,529.22

Finding the Fourth Proportional to 151,938.71, 209,539.22 and 126,529.22

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Solution

The fourth proportional to 151,938.71, 209,539.22 and 126,529.22 is: 174,496.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,938.71 : 209,539.22 = 126,529.22 : x
  2. Step 2: Convert to fraction form
    151,938.71/209,539.22 = 126,529.22/x
  3. Step 3: Cross multiply
    151,938.71x = 209,539.22 × 126,529.22
  4. Step 4: Simplify right side
    151,938.71x = 26,512,832,385.67
  5. Step 5: Solve for x
    x = 26,512,832,385.67/151,938.71
  6. Step 6: Final answer
    x = 174,496.89

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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.