Home / 210,962.33-291,127.52-115,468.19

Finding the Fourth Proportional to 210,962.33, 291,127.52 and 115,468.19

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Solution

The fourth proportional to 210,962.33, 291,127.52 and 115,468.19 is: 159,345.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,962.33 : 291,127.52 = 115,468.19 : x
  2. Step 2: Convert to fraction form
    210,962.33/291,127.52 = 115,468.19/x
  3. Step 3: Cross multiply
    210,962.33x = 291,127.52 × 115,468.19
  4. Step 4: Simplify right side
    210,962.33x = 33,615,966,626.62
  5. Step 5: Solve for x
    x = 33,615,966,626.62/210,962.33
  6. Step 6: Final answer
    x = 159,345.83

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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.