Home / 113,529.26-156,670.40-65,810.29

Finding the Fourth Proportional to 113,529.26, 156,670.40 and 65,810.29

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Solution

The fourth proportional to 113,529.26, 156,670.40 and 65,810.29 is: 90,818.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,529.26 : 156,670.40 = 65,810.29 : x
  2. Step 2: Convert to fraction form
    113,529.26/156,670.40 = 65,810.29/x
  3. Step 3: Cross multiply
    113,529.26x = 156,670.40 × 65,810.29
  4. Step 4: Simplify right side
    113,529.26x = 10,310,524,458.42
  5. Step 5: Solve for x
    x = 10,310,524,458.42/113,529.26
  6. Step 6: Final answer
    x = 90,818.21

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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.