Home / 102,300.48-153,471.76-43,136.32

Finding the Fourth Proportional to 102,300.48, 153,471.76 and 43,136.32

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Solution

The fourth proportional to 102,300.48, 153,471.76 and 43,136.32 is: 64,713.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,300.48 : 153,471.76 = 43,136.32 : x
  2. Step 2: Convert to fraction form
    102,300.48/153,471.76 = 43,136.32/x
  3. Step 3: Cross multiply
    102,300.48x = 153,471.76 × 43,136.32
  4. Step 4: Simplify right side
    102,300.48x = 6,620,206,950.32
  5. Step 5: Solve for x
    x = 6,620,206,950.32/102,300.48
  6. Step 6: Final answer
    x = 64,713.35

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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.