Home / 113,050.13-156,009.78-70,633.26

Finding the Fourth Proportional to 113,050.13, 156,009.78 and 70,633.26

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Solution

The fourth proportional to 113,050.13, 156,009.78 and 70,633.26 is: 97,474.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,050.13 : 156,009.78 = 70,633.26 : x
  2. Step 2: Convert to fraction form
    113,050.13/156,009.78 = 70,633.26/x
  3. Step 3: Cross multiply
    113,050.13x = 156,009.78 × 70,633.26
  4. Step 4: Simplify right side
    113,050.13x = 11,019,479,353.28
  5. Step 5: Solve for x
    x = 11,019,479,353.28/113,050.13
  6. Step 6: Final answer
    x = 97,474.28

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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.