Home / 113,491.13-156,628.69-63,190.13

Finding the Fourth Proportional to 113,491.13, 156,628.69 and 63,190.13

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Solution

The fourth proportional to 113,491.13, 156,628.69 and 63,190.13 is: 87,208.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,491.13 : 156,628.69 = 63,190.13 : x
  2. Step 2: Convert to fraction form
    113,491.13/156,628.69 = 63,190.13/x
  3. Step 3: Cross multiply
    113,491.13x = 156,628.69 × 63,190.13
  4. Step 4: Simplify right side
    113,491.13x = 9,897,386,341.71
  5. Step 5: Solve for x
    x = 9,897,386,341.71/113,491.13
  6. Step 6: Final answer
    x = 87,208.46

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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.