Home / 157,391.34-236,017.53-45,045.96

Finding the Fourth Proportional to 157,391.34, 236,017.53 and 45,045.96

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Solution

The fourth proportional to 157,391.34, 236,017.53 and 45,045.96 is: 67,549.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,391.34 : 236,017.53 = 45,045.96 : x
  2. Step 2: Convert to fraction form
    157,391.34/236,017.53 = 45,045.96/x
  3. Step 3: Cross multiply
    157,391.34x = 236,017.53 × 45,045.96
  4. Step 4: Simplify right side
    157,391.34x = 10,631,636,215.68
  5. Step 5: Solve for x
    x = 10,631,636,215.68/157,391.34
  6. Step 6: Final answer
    x = 67,549.05

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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.