Home / 157,389.67-236,044.81-45,070.62

Finding the Fourth Proportional to 157,389.67, 236,044.81 and 45,070.62

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Solution

The fourth proportional to 157,389.67, 236,044.81 and 45,070.62 is: 67,594.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,389.67 : 236,044.81 = 45,070.62 : x
  2. Step 2: Convert to fraction form
    157,389.67/236,044.81 = 45,070.62/x
  3. Step 3: Cross multiply
    157,389.67x = 236,044.81 × 45,070.62
  4. Step 4: Simplify right side
    157,389.67x = 10,638,685,934.48
  5. Step 5: Solve for x
    x = 10,638,685,934.48/157,389.67
  6. Step 6: Final answer
    x = 67,594.56

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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.