Home / 102,317.40-153,476.10-43,219.80

Finding the Fourth Proportional to 102,317.40, 153,476.10 and 43,219.80

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Solution

The fourth proportional to 102,317.40, 153,476.10 and 43,219.80 is: 64,829.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,317.40 : 153,476.10 = 43,219.80 : x
  2. Step 2: Convert to fraction form
    102,317.40/153,476.10 = 43,219.80/x
  3. Step 3: Cross multiply
    102,317.40x = 153,476.10 × 43,219.80
  4. Step 4: Simplify right side
    102,317.40x = 6,633,206,346.78
  5. Step 5: Solve for x
    x = 6,633,206,346.78/102,317.40
  6. Step 6: Final answer
    x = 64,829.70

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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.