Home / 142,778.04-214,170.54-48,009.60

Finding the Fourth Proportional to 142,778.04, 214,170.54 and 48,009.60

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Solution

The fourth proportional to 142,778.04, 214,170.54 and 48,009.60 is: 72,015.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,778.04 : 214,170.54 = 48,009.60 : x
  2. Step 2: Convert to fraction form
    142,778.04/214,170.54 = 48,009.60/x
  3. Step 3: Cross multiply
    142,778.04x = 214,170.54 × 48,009.60
  4. Step 4: Simplify right side
    142,778.04x = 10,282,241,957.18
  5. Step 5: Solve for x
    x = 10,282,241,957.18/142,778.04
  6. Step 6: Final answer
    x = 72,015.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.