Home / 134,041.60-184,992.18-76,686.16

Finding the Fourth Proportional to 134,041.60, 184,992.18 and 76,686.16

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Solution

The fourth proportional to 134,041.60, 184,992.18 and 76,686.16 is: 105,835.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,041.60 : 184,992.18 = 76,686.16 : x
  2. Step 2: Convert to fraction form
    134,041.60/184,992.18 = 76,686.16/x
  3. Step 3: Cross multiply
    134,041.60x = 184,992.18 × 76,686.16
  4. Step 4: Simplify right side
    134,041.60x = 14,186,339,914.23
  5. Step 5: Solve for x
    x = 14,186,339,914.23/134,041.60
  6. Step 6: Final answer
    x = 105,835.35

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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.