Home / 155,289.40-232,712.70-88,588.60

Finding the Fourth Proportional to 155,289.40, 232,712.70 and 88,588.60

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Solution

The fourth proportional to 155,289.40, 232,712.70 and 88,588.60 is: 132,756.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,289.40 : 232,712.70 = 88,588.60 : x
  2. Step 2: Convert to fraction form
    155,289.40/232,712.70 = 88,588.60/x
  3. Step 3: Cross multiply
    155,289.40x = 232,712.70 × 88,588.60
  4. Step 4: Simplify right side
    155,289.40x = 20,615,692,295.22
  5. Step 5: Solve for x
    x = 20,615,692,295.22/155,289.40
  6. Step 6: Final answer
    x = 132,756.60

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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.