Home / 211,239.68-291,483.04-126,325.76

Finding the Fourth Proportional to 211,239.68, 291,483.04 and 126,325.76

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Solution

The fourth proportional to 211,239.68, 291,483.04 and 126,325.76 is: 174,312.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,239.68 : 291,483.04 = 126,325.76 : x
  2. Step 2: Convert to fraction form
    211,239.68/291,483.04 = 126,325.76/x
  3. Step 3: Cross multiply
    211,239.68x = 291,483.04 × 126,325.76
  4. Step 4: Simplify right side
    211,239.68x = 36,821,816,555.11
  5. Step 5: Solve for x
    x = 36,821,816,555.11/211,239.68
  6. Step 6: Final answer
    x = 174,312.97

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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.