Home / 228,520.04-342,648.54-88,260.20

Finding the Fourth Proportional to 228,520.04, 342,648.54 and 88,260.20

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Solution

The fourth proportional to 228,520.04, 342,648.54 and 88,260.20 is: 132,339.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,520.04 : 342,648.54 = 88,260.20 : x
  2. Step 2: Convert to fraction form
    228,520.04/342,648.54 = 88,260.20/x
  3. Step 3: Cross multiply
    228,520.04x = 342,648.54 × 88,260.20
  4. Step 4: Simplify right side
    228,520.04x = 30,242,228,670.11
  5. Step 5: Solve for x
    x = 30,242,228,670.11/228,520.04
  6. Step 6: Final answer
    x = 132,339.50

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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.