Home / 158,851.13-219,263.76-102,262.50

Finding the Fourth Proportional to 158,851.13, 219,263.76 and 102,262.50

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Solution

The fourth proportional to 158,851.13, 219,263.76 and 102,262.50 is: 141,153.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,851.13 : 219,263.76 = 102,262.50 : x
  2. Step 2: Convert to fraction form
    158,851.13/219,263.76 = 102,262.50/x
  3. Step 3: Cross multiply
    158,851.13x = 219,263.76 × 102,262.50
  4. Step 4: Simplify right side
    158,851.13x = 22,422,460,257
  5. Step 5: Solve for x
    x = 22,422,460,257/158,851.13
  6. Step 6: Final answer
    x = 141,153.93

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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.