Home / 131,090.32-180,904.68-74,500.24

Finding the Fourth Proportional to 131,090.32, 180,904.68 and 74,500.24

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Solution

The fourth proportional to 131,090.32, 180,904.68 and 74,500.24 is: 102,810.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,090.32 : 180,904.68 = 74,500.24 : x
  2. Step 2: Convert to fraction form
    131,090.32/180,904.68 = 74,500.24/x
  3. Step 3: Cross multiply
    131,090.32x = 180,904.68 × 74,500.24
  4. Step 4: Simplify right side
    131,090.32x = 13,477,442,077.12
  5. Step 5: Solve for x
    x = 13,477,442,077.12/131,090.32
  6. Step 6: Final answer
    x = 102,810.35

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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.