Home / 105,962.16-146,292-70,182.84

Finding the Fourth Proportional to 105,962.16, 146,292 and 70,182.84

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Solution

The fourth proportional to 105,962.16, 146,292 and 70,182.84 is: 96,894.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,962.16 : 146,292 = 70,182.84 : x
  2. Step 2: Convert to fraction form
    105,962.16/146,292 = 70,182.84/x
  3. Step 3: Cross multiply
    105,962.16x = 146,292 × 70,182.84
  4. Step 4: Simplify right side
    105,962.16x = 10,267,188,029.28
  5. Step 5: Solve for x
    x = 10,267,188,029.28/105,962.16
  6. Step 6: Final answer
    x = 96,894.85

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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.