Home / 105,529.10-145,644.03-60,196.70

Finding the Fourth Proportional to 105,529.10, 145,644.03 and 60,196.70

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Solution

The fourth proportional to 105,529.10, 145,644.03 and 60,196.70 is: 83,079.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,529.10 : 145,644.03 = 60,196.70 : x
  2. Step 2: Convert to fraction form
    105,529.10/145,644.03 = 60,196.70/x
  3. Step 3: Cross multiply
    105,529.10x = 145,644.03 × 60,196.70
  4. Step 4: Simplify right side
    105,529.10x = 8,767,289,980.70
  5. Step 5: Solve for x
    x = 8,767,289,980.70/105,529.10
  6. Step 6: Final answer
    x = 83,079.36

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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.