Home / 157,031.04-235,457.16-107,171.54

Finding the Fourth Proportional to 157,031.04, 235,457.16 and 107,171.54

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Solution

The fourth proportional to 157,031.04, 235,457.16 and 107,171.54 is: 160,696.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,031.04 : 235,457.16 = 107,171.54 : x
  2. Step 2: Convert to fraction form
    157,031.04/235,457.16 = 107,171.54/x
  3. Step 3: Cross multiply
    157,031.04x = 235,457.16 × 107,171.54
  4. Step 4: Simplify right side
    157,031.04x = 25,234,306,441.23
  5. Step 5: Solve for x
    x = 25,234,306,441.23/157,031.04
  6. Step 6: Final answer
    x = 160,696.30

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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.