Home / 191,036.12-263,548.08-119,291.58

Finding the Fourth Proportional to 191,036.12, 263,548.08 and 119,291.58

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Solution

The fourth proportional to 191,036.12, 263,548.08 and 119,291.58 is: 164,571.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,036.12 : 263,548.08 = 119,291.58 : x
  2. Step 2: Convert to fraction form
    191,036.12/263,548.08 = 119,291.58/x
  3. Step 3: Cross multiply
    191,036.12x = 263,548.08 × 119,291.58
  4. Step 4: Simplify right side
    191,036.12x = 31,439,066,869.17
  5. Step 5: Solve for x
    x = 31,439,066,869.17/191,036.12
  6. Step 6: Final answer
    x = 164,571.33

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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.