Home / 106,671.40-147,203.68-58,923.72

Finding the Fourth Proportional to 106,671.40, 147,203.68 and 58,923.72

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Solution

The fourth proportional to 106,671.40, 147,203.68 and 58,923.72 is: 81,313.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,671.40 : 147,203.68 = 58,923.72 : x
  2. Step 2: Convert to fraction form
    106,671.40/147,203.68 = 58,923.72/x
  3. Step 3: Cross multiply
    106,671.40x = 147,203.68 × 58,923.72
  4. Step 4: Simplify right side
    106,671.40x = 8,673,788,423.29
  5. Step 5: Solve for x
    x = 8,673,788,423.29/106,671.40
  6. Step 6: Final answer
    x = 81,313.16

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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.