Home / 211,127.68-291,345.36-115,615.92

Finding the Fourth Proportional to 211,127.68, 291,345.36 and 115,615.92

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Solution

The fourth proportional to 211,127.68, 291,345.36 and 115,615.92 is: 159,544.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,127.68 : 291,345.36 = 115,615.92 : x
  2. Step 2: Convert to fraction form
    211,127.68/291,345.36 = 115,615.92/x
  3. Step 3: Cross multiply
    211,127.68x = 291,345.36 × 115,615.92
  4. Step 4: Simplify right side
    211,127.68x = 33,684,161,834.13
  5. Step 5: Solve for x
    x = 33,684,161,834.13/211,127.68
  6. Step 6: Final answer
    x = 159,544.03

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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.