Home / 225,108.06-310,636.14-123,113.10

Finding the Fourth Proportional to 225,108.06, 310,636.14 and 123,113.10

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Solution

The fourth proportional to 225,108.06, 310,636.14 and 123,113.10 is: 169,888.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,108.06 : 310,636.14 = 123,113.10 : x
  2. Step 2: Convert to fraction form
    225,108.06/310,636.14 = 123,113.10/x
  3. Step 3: Cross multiply
    225,108.06x = 310,636.14 × 123,113.10
  4. Step 4: Simplify right side
    225,108.06x = 38,243,378,167.43
  5. Step 5: Solve for x
    x = 38,243,378,167.43/225,108.06
  6. Step 6: Final answer
    x = 169,888.98

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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.