Home / 147,111.84-220,667.76-53,617.68

Finding the Fourth Proportional to 147,111.84, 220,667.76 and 53,617.68

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Solution

The fourth proportional to 147,111.84, 220,667.76 and 53,617.68 is: 80,426.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,111.84 : 220,667.76 = 53,617.68 : x
  2. Step 2: Convert to fraction form
    147,111.84/220,667.76 = 53,617.68/x
  3. Step 3: Cross multiply
    147,111.84x = 220,667.76 × 53,617.68
  4. Step 4: Simplify right side
    147,111.84x = 11,831,693,342.00
  5. Step 5: Solve for x
    x = 11,831,693,342.00/147,111.84
  6. Step 6: Final answer
    x = 80,426.52

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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.