Home / 134,178.93-185,184.44-86,570.77

Finding the Fourth Proportional to 134,178.93, 185,184.44 and 86,570.77

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Solution

The fourth proportional to 134,178.93, 185,184.44 and 86,570.77 is: 119,478.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,178.93 : 185,184.44 = 86,570.77 : x
  2. Step 2: Convert to fraction form
    134,178.93/185,184.44 = 86,570.77/x
  3. Step 3: Cross multiply
    134,178.93x = 185,184.44 × 86,570.77
  4. Step 4: Simplify right side
    134,178.93x = 16,031,559,562.82
  5. Step 5: Solve for x
    x = 16,031,559,562.82/134,178.93
  6. Step 6: Final answer
    x = 119,478.96

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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.