Home / 211,030.04-291,221.33-115,536.71

Finding the Fourth Proportional to 211,030.04, 291,221.33 and 115,536.71

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Solution

The fourth proportional to 211,030.04, 291,221.33 and 115,536.71 is: 159,440.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,030.04 : 291,221.33 = 115,536.71 : x
  2. Step 2: Convert to fraction form
    211,030.04/291,221.33 = 115,536.71/x
  3. Step 3: Cross multiply
    211,030.04x = 291,221.33 × 115,536.71
  4. Step 4: Simplify right side
    211,030.04x = 33,646,754,500.39
  5. Step 5: Solve for x
    x = 33,646,754,500.39/211,030.04
  6. Step 6: Final answer
    x = 159,440.59

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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.