Home / 121,444.60-182,166.90-119,111.80

Finding the Fourth Proportional to 121,444.60, 182,166.90 and 119,111.80

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Solution

The fourth proportional to 121,444.60, 182,166.90 and 119,111.80 is: 178,667.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,444.60 : 182,166.90 = 119,111.80 : x
  2. Step 2: Convert to fraction form
    121,444.60/182,166.90 = 119,111.80/x
  3. Step 3: Cross multiply
    121,444.60x = 182,166.90 × 119,111.80
  4. Step 4: Simplify right side
    121,444.60x = 21,698,227,359.42
  5. Step 5: Solve for x
    x = 21,698,227,359.42/121,444.60
  6. Step 6: Final answer
    x = 178,667.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.