Home / 142,459.32-196,501.50-112,195.56

Finding the Fourth Proportional to 142,459.32, 196,501.50 and 112,195.56

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Solution

The fourth proportional to 142,459.32, 196,501.50 and 112,195.56 is: 154,757.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,459.32 : 196,501.50 = 112,195.56 : x
  2. Step 2: Convert to fraction form
    142,459.32/196,501.50 = 112,195.56/x
  3. Step 3: Cross multiply
    142,459.32x = 196,501.50 × 112,195.56
  4. Step 4: Simplify right side
    142,459.32x = 22,046,595,833.34
  5. Step 5: Solve for x
    x = 22,046,595,833.34/142,459.32
  6. Step 6: Final answer
    x = 154,757.13

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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.