Home / 153,145.42-211,330.26-92,749.60

Finding the Fourth Proportional to 153,145.42, 211,330.26 and 92,749.60

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Solution

The fourth proportional to 153,145.42, 211,330.26 and 92,749.60 is: 127,988.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,145.42 : 211,330.26 = 92,749.60 : x
  2. Step 2: Convert to fraction form
    153,145.42/211,330.26 = 92,749.60/x
  3. Step 3: Cross multiply
    153,145.42x = 211,330.26 × 92,749.60
  4. Step 4: Simplify right side
    153,145.42x = 19,600,797,082.90
  5. Step 5: Solve for x
    x = 19,600,797,082.90/153,145.42
  6. Step 6: Final answer
    x = 127,988.14

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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.