Home / 157,457.17-236,163.57-45,146.98

Finding the Fourth Proportional to 157,457.17, 236,163.57 and 45,146.98

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Solution

The fourth proportional to 157,457.17, 236,163.57 and 45,146.98 is: 67,714.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,457.17 : 236,163.57 = 45,146.98 : x
  2. Step 2: Convert to fraction form
    157,457.17/236,163.57 = 45,146.98/x
  3. Step 3: Cross multiply
    157,457.17x = 236,163.57 × 45,146.98
  4. Step 4: Simplify right side
    157,457.17x = 10,662,071,971.52
  5. Step 5: Solve for x
    x = 10,662,071,971.52/157,457.17
  6. Step 6: Final answer
    x = 67,714.11

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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.