Home / 147,285.27-203,280.03-86,852.25

Finding the Fourth Proportional to 147,285.27, 203,280.03 and 86,852.25

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Solution

The fourth proportional to 147,285.27, 203,280.03 and 86,852.25 is: 119,871.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,285.27 : 203,280.03 = 86,852.25 : x
  2. Step 2: Convert to fraction form
    147,285.27/203,280.03 = 86,852.25/x
  3. Step 3: Cross multiply
    147,285.27x = 203,280.03 × 86,852.25
  4. Step 4: Simplify right side
    147,285.27x = 17,655,327,985.57
  5. Step 5: Solve for x
    x = 17,655,327,985.57/147,285.27
  6. Step 6: Final answer
    x = 119,871.65

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1.5x scale

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.