Home / 170,909.46-235,814.85-99,246.42

Finding the Fourth Proportional to 170,909.46, 235,814.85 and 99,246.42

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Solution

The fourth proportional to 170,909.46, 235,814.85 and 99,246.42 is: 136,936.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,909.46 : 235,814.85 = 99,246.42 : x
  2. Step 2: Convert to fraction form
    170,909.46/235,814.85 = 99,246.42/x
  3. Step 3: Cross multiply
    170,909.46x = 235,814.85 × 99,246.42
  4. Step 4: Simplify right side
    170,909.46x = 23,403,779,645.34
  5. Step 5: Solve for x
    x = 23,403,779,645.34/170,909.46
  6. Step 6: Final answer
    x = 136,936.71

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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.