Home / 111,695.21-154,140.57-60,707.94

Finding the Fourth Proportional to 111,695.21, 154,140.57 and 60,707.94

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Solution

The fourth proportional to 111,695.21, 154,140.57 and 60,707.94 is: 83,777.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,695.21 : 154,140.57 = 60,707.94 : x
  2. Step 2: Convert to fraction form
    111,695.21/154,140.57 = 60,707.94/x
  3. Step 3: Cross multiply
    111,695.21x = 154,140.57 × 60,707.94
  4. Step 4: Simplify right side
    111,695.21x = 9,357,556,475.13
  5. Step 5: Solve for x
    x = 9,357,556,475.13/111,695.21
  6. Step 6: Final answer
    x = 83,777.60

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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.