Home / 157,416.40-236,054.94-45,071.02

Finding the Fourth Proportional to 157,416.40, 236,054.94 and 45,071.02

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Solution

The fourth proportional to 157,416.40, 236,054.94 and 45,071.02 is: 67,586.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,416.40 : 236,054.94 = 45,071.02 : x
  2. Step 2: Convert to fraction form
    157,416.40/236,054.94 = 45,071.02/x
  3. Step 3: Cross multiply
    157,416.40x = 236,054.94 × 45,071.02
  4. Step 4: Simplify right side
    157,416.40x = 10,639,236,921.84
  5. Step 5: Solve for x
    x = 10,639,236,921.84/157,416.40
  6. Step 6: Final answer
    x = 67,586.59

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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.