Home / 113,538.36-156,685.76-63,238.20

Finding the Fourth Proportional to 113,538.36, 156,685.76 and 63,238.20

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Solution

The fourth proportional to 113,538.36, 156,685.76 and 63,238.20 is: 87,270.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,538.36 : 156,685.76 = 63,238.20 : x
  2. Step 2: Convert to fraction form
    113,538.36/156,685.76 = 63,238.20/x
  3. Step 3: Cross multiply
    113,538.36x = 156,685.76 × 63,238.20
  4. Step 4: Simplify right side
    113,538.36x = 9,908,525,428.03
  5. Step 5: Solve for x
    x = 9,908,525,428.03/113,538.36
  6. Step 6: Final answer
    x = 87,270.29

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1.5x scale

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.