Home / 142,341.87-196,304.54-118,104.45

Finding the Fourth Proportional to 142,341.87, 196,304.54 and 118,104.45

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Solution

The fourth proportional to 142,341.87, 196,304.54 and 118,104.45 is: 162,878.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,341.87 : 196,304.54 = 118,104.45 : x
  2. Step 2: Convert to fraction form
    142,341.87/196,304.54 = 118,104.45/x
  3. Step 3: Cross multiply
    142,341.87x = 196,304.54 × 118,104.45
  4. Step 4: Simplify right side
    142,341.87x = 23,184,438,402.54
  5. Step 5: Solve for x
    x = 23,184,438,402.54/142,341.87
  6. Step 6: Final answer
    x = 162,878.55

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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.