Home / 174,501.40-261,752.10-85,768.60

Finding the Fourth Proportional to 174,501.40, 261,752.10 and 85,768.60

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Solution

The fourth proportional to 174,501.40, 261,752.10 and 85,768.60 is: 128,652.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,501.40 : 261,752.10 = 85,768.60 : x
  2. Step 2: Convert to fraction form
    174,501.40/261,752.10 = 85,768.60/x
  3. Step 3: Cross multiply
    174,501.40x = 261,752.10 × 85,768.60
  4. Step 4: Simplify right side
    174,501.40x = 22,450,111,164.06
  5. Step 5: Solve for x
    x = 22,450,111,164.06/174,501.40
  6. Step 6: Final answer
    x = 128,652.90

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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.