Home / 125,831.04-173,640.24-69,231.60

Finding the Fourth Proportional to 125,831.04, 173,640.24 and 69,231.60

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Solution

The fourth proportional to 125,831.04, 173,640.24 and 69,231.60 is: 95,535.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,831.04 : 173,640.24 = 69,231.60 : x
  2. Step 2: Convert to fraction form
    125,831.04/173,640.24 = 69,231.60/x
  3. Step 3: Cross multiply
    125,831.04x = 173,640.24 × 69,231.60
  4. Step 4: Simplify right side
    125,831.04x = 12,021,391,639.58
  5. Step 5: Solve for x
    x = 12,021,391,639.58/125,831.04
  6. Step 6: Final answer
    x = 95,535.98

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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.