Home / 106,430.72-146,873.60-58,684.16

Finding the Fourth Proportional to 106,430.72, 146,873.60 and 58,684.16

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Solution

The fourth proportional to 106,430.72, 146,873.60 and 58,684.16 is: 80,983.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,430.72 : 146,873.60 = 58,684.16 : x
  2. Step 2: Convert to fraction form
    106,430.72/146,873.60 = 58,684.16/x
  3. Step 3: Cross multiply
    106,430.72x = 146,873.60 × 58,684.16
  4. Step 4: Simplify right side
    106,430.72x = 8,619,153,842.18
  5. Step 5: Solve for x
    x = 8,619,153,842.18/106,430.72
  6. Step 6: Final answer
    x = 80,983.70

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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.