Home / 134,188.59-185,221.52-86,441.79

Finding the Fourth Proportional to 134,188.59, 185,221.52 and 86,441.79

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Solution

The fourth proportional to 134,188.59, 185,221.52 and 86,441.79 is: 119,316.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,188.59 : 185,221.52 = 86,441.79 : x
  2. Step 2: Convert to fraction form
    134,188.59/185,221.52 = 86,441.79/x
  3. Step 3: Cross multiply
    134,188.59x = 185,221.52 × 86,441.79
  4. Step 4: Simplify right side
    134,188.59x = 16,010,879,303.11
  5. Step 5: Solve for x
    x = 16,010,879,303.11/134,188.59
  6. Step 6: Final answer
    x = 119,316.25

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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.