Home / 111,614.28-167,420.40-45,007.24

Finding the Fourth Proportional to 111,614.28, 167,420.40 and 45,007.24

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Solution

The fourth proportional to 111,614.28, 167,420.40 and 45,007.24 is: 67,510.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,614.28 : 167,420.40 = 45,007.24 : x
  2. Step 2: Convert to fraction form
    111,614.28/167,420.40 = 45,007.24/x
  3. Step 3: Cross multiply
    111,614.28x = 167,420.40 × 45,007.24
  4. Step 4: Simplify right side
    111,614.28x = 7,535,130,123.70
  5. Step 5: Solve for x
    x = 7,535,130,123.70/111,614.28
  6. Step 6: Final answer
    x = 67,510.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.