Home / 112,188.41-154,816.63-61,202.15

Finding the Fourth Proportional to 112,188.41, 154,816.63 and 61,202.15

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Solution

The fourth proportional to 112,188.41, 154,816.63 and 61,202.15 is: 84,457.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,188.41 : 154,816.63 = 61,202.15 : x
  2. Step 2: Convert to fraction form
    112,188.41/154,816.63 = 61,202.15/x
  3. Step 3: Cross multiply
    112,188.41x = 154,816.63 × 61,202.15
  4. Step 4: Simplify right side
    112,188.41x = 9,475,110,609.49
  5. Step 5: Solve for x
    x = 9,475,110,609.49/112,188.41
  6. Step 6: Final answer
    x = 84,457.13

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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.