Home / 134,667.04-185,840.04-78,110.68

Finding the Fourth Proportional to 134,667.04, 185,840.04 and 78,110.68

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Solution

The fourth proportional to 134,667.04, 185,840.04 and 78,110.68 is: 107,792.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,667.04 : 185,840.04 = 78,110.68 : x
  2. Step 2: Convert to fraction form
    134,667.04/185,840.04 = 78,110.68/x
  3. Step 3: Cross multiply
    134,667.04x = 185,840.04 × 78,110.68
  4. Step 4: Simplify right side
    134,667.04x = 14,516,091,895.63
  5. Step 5: Solve for x
    x = 14,516,091,895.63/134,667.04
  6. Step 6: Final answer
    x = 107,792.46

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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.