Home / 106,429.40-159,644.10-97,827.80

Finding the Fourth Proportional to 106,429.40, 159,644.10 and 97,827.80

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Solution

The fourth proportional to 106,429.40, 159,644.10 and 97,827.80 is: 146,741.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,429.40 : 159,644.10 = 97,827.80 : x
  2. Step 2: Convert to fraction form
    106,429.40/159,644.10 = 97,827.80/x
  3. Step 3: Cross multiply
    106,429.40x = 159,644.10 × 97,827.80
  4. Step 4: Simplify right side
    106,429.40x = 15,617,631,085.98
  5. Step 5: Solve for x
    x = 15,617,631,085.98/106,429.40
  6. Step 6: Final answer
    x = 146,741.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.