Home / 162,749.64-224,602.80-91,125.38

Finding the Fourth Proportional to 162,749.64, 224,602.80 and 91,125.38

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Solution

The fourth proportional to 162,749.64, 224,602.80 and 91,125.38 is: 125,757.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,749.64 : 224,602.80 = 91,125.38 : x
  2. Step 2: Convert to fraction form
    162,749.64/224,602.80 = 91,125.38/x
  3. Step 3: Cross multiply
    162,749.64x = 224,602.80 × 91,125.38
  4. Step 4: Simplify right side
    162,749.64x = 20,467,015,499.06
  5. Step 5: Solve for x
    x = 20,467,015,499.06/162,749.64
  6. Step 6: Final answer
    x = 125,757.67

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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.