Home / 133,641.95-184,421.07-76,284.23

Finding the Fourth Proportional to 133,641.95, 184,421.07 and 76,284.23

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Solution

The fourth proportional to 133,641.95, 184,421.07 and 76,284.23 is: 105,269.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,641.95 : 184,421.07 = 76,284.23 : x
  2. Step 2: Convert to fraction form
    133,641.95/184,421.07 = 76,284.23/x
  3. Step 3: Cross multiply
    133,641.95x = 184,421.07 × 76,284.23
  4. Step 4: Simplify right side
    133,641.95x = 14,068,418,398.62
  5. Step 5: Solve for x
    x = 14,068,418,398.62/133,641.95
  6. Step 6: Final answer
    x = 105,269.48

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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.