Home / 130,967.66-180,592.32-88,452.38

Finding the Fourth Proportional to 130,967.66, 180,592.32 and 88,452.38

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Solution

The fourth proportional to 130,967.66, 180,592.32 and 88,452.38 is: 121,967.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,967.66 : 180,592.32 = 88,452.38 : x
  2. Step 2: Convert to fraction form
    130,967.66/180,592.32 = 88,452.38/x
  3. Step 3: Cross multiply
    130,967.66x = 180,592.32 × 88,452.38
  4. Step 4: Simplify right side
    130,967.66x = 15,973,819,610.76
  5. Step 5: Solve for x
    x = 15,973,819,610.76/130,967.66
  6. Step 6: Final answer
    x = 121,967.67

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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.