Home / 125,500.47-173,129.85-83,094.54

Finding the Fourth Proportional to 125,500.47, 173,129.85 and 83,094.54

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Solution

The fourth proportional to 125,500.47, 173,129.85 and 83,094.54 is: 114,630.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,500.47 : 173,129.85 = 83,094.54 : x
  2. Step 2: Convert to fraction form
    125,500.47/173,129.85 = 83,094.54/x
  3. Step 3: Cross multiply
    125,500.47x = 173,129.85 × 83,094.54
  4. Step 4: Simplify right side
    125,500.47x = 14,386,145,246.02
  5. Step 5: Solve for x
    x = 14,386,145,246.02/125,500.47
  6. Step 6: Final answer
    x = 114,630.21

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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.