Home / 127,838.46-176,413.83-70,476.45

Finding the Fourth Proportional to 127,838.46, 176,413.83 and 70,476.45

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Solution

The fourth proportional to 127,838.46, 176,413.83 and 70,476.45 is: 97,255.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,838.46 : 176,413.83 = 70,476.45 : x
  2. Step 2: Convert to fraction form
    127,838.46/176,413.83 = 70,476.45/x
  3. Step 3: Cross multiply
    127,838.46x = 176,413.83 × 70,476.45
  4. Step 4: Simplify right side
    127,838.46x = 12,433,021,279.73
  5. Step 5: Solve for x
    x = 12,433,021,279.73/127,838.46
  6. Step 6: Final answer
    x = 97,255.72

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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.