Home / 157,173.04-216,892.76-89,185.96

Finding the Fourth Proportional to 157,173.04, 216,892.76 and 89,185.96

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Solution

The fourth proportional to 157,173.04, 216,892.76 and 89,185.96 is: 123,073.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,173.04 : 216,892.76 = 89,185.96 : x
  2. Step 2: Convert to fraction form
    157,173.04/216,892.76 = 89,185.96/x
  3. Step 3: Cross multiply
    157,173.04x = 216,892.76 × 89,185.96
  4. Step 4: Simplify right side
    157,173.04x = 19,343,788,029.49
  5. Step 5: Solve for x
    x = 19,343,788,029.49/157,173.04
  6. Step 6: Final answer
    x = 123,073.20

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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.