Home / 134,382.42-185,409.27-86,663.16

Finding the Fourth Proportional to 134,382.42, 185,409.27 and 86,663.16

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Solution

The fourth proportional to 134,382.42, 185,409.27 and 86,663.16 is: 119,570.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,382.42 : 185,409.27 = 86,663.16 : x
  2. Step 2: Convert to fraction form
    134,382.42/185,409.27 = 86,663.16/x
  3. Step 3: Cross multiply
    134,382.42x = 185,409.27 × 86,663.16
  4. Step 4: Simplify right side
    134,382.42x = 16,068,153,231.49
  5. Step 5: Solve for x
    x = 16,068,153,231.49/134,382.42
  6. Step 6: Final answer
    x = 119,570.35

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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.