Home / 211,322.58-291,627.18-115,831.14

Finding the Fourth Proportional to 211,322.58, 291,627.18 and 115,831.14

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Solution

The fourth proportional to 211,322.58, 291,627.18 and 115,831.14 is: 159,848.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,322.58 : 291,627.18 = 115,831.14 : x
  2. Step 2: Convert to fraction form
    211,322.58/291,627.18 = 115,831.14/x
  3. Step 3: Cross multiply
    211,322.58x = 291,627.18 × 115,831.14
  4. Step 4: Simplify right side
    211,322.58x = 33,779,508,714.39
  5. Step 5: Solve for x
    x = 33,779,508,714.39/211,322.58
  6. Step 6: Final answer
    x = 159,848.08

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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.