Home / 150,931.69-226,405.29-38,612.88

Finding the Fourth Proportional to 150,931.69, 226,405.29 and 38,612.88

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Solution

The fourth proportional to 150,931.69, 226,405.29 and 38,612.88 is: 57,921.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,931.69 : 226,405.29 = 38,612.88 : x
  2. Step 2: Convert to fraction form
    150,931.69/226,405.29 = 38,612.88/x
  3. Step 3: Cross multiply
    150,931.69x = 226,405.29 × 38,612.88
  4. Step 4: Simplify right side
    150,931.69x = 8,742,158,969.04
  5. Step 5: Solve for x
    x = 8,742,158,969.04/150,931.69
  6. Step 6: Final answer
    x = 57,921.30

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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.