Home / 156,133.13-234,206.17-45,325.13

Finding the Fourth Proportional to 156,133.13, 234,206.17 and 45,325.13

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Solution

The fourth proportional to 156,133.13, 234,206.17 and 45,325.13 is: 67,989.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,133.13 : 234,206.17 = 45,325.13 : x
  2. Step 2: Convert to fraction form
    156,133.13/234,206.17 = 45,325.13/x
  3. Step 3: Cross multiply
    156,133.13x = 234,206.17 × 45,325.13
  4. Step 4: Simplify right side
    156,133.13x = 10,615,423,817.71
  5. Step 5: Solve for x
    x = 10,615,423,817.71/156,133.13
  6. Step 6: Final answer
    x = 67,989.57

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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.