Home / 131,024.96-180,814.44-74,436.32

Finding the Fourth Proportional to 131,024.96, 180,814.44 and 74,436.32

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Solution

The fourth proportional to 131,024.96, 180,814.44 and 74,436.32 is: 102,722.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,024.96 : 180,814.44 = 74,436.32 : x
  2. Step 2: Convert to fraction form
    131,024.96/180,814.44 = 74,436.32/x
  3. Step 3: Cross multiply
    131,024.96x = 180,814.44 × 74,436.32
  4. Step 4: Simplify right side
    131,024.96x = 13,459,161,516.46
  5. Step 5: Solve for x
    x = 13,459,161,516.46/131,024.96
  6. Step 6: Final answer
    x = 102,722.12

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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.