Home / 157,962.90-236,985.89-56,771.17

Finding the Fourth Proportional to 157,962.90, 236,985.89 and 56,771.17

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Solution

The fourth proportional to 157,962.90, 236,985.89 and 56,771.17 is: 85,171.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,962.90 : 236,985.89 = 56,771.17 : x
  2. Step 2: Convert to fraction form
    157,962.90/236,985.89 = 56,771.17/x
  3. Step 3: Cross multiply
    157,962.90x = 236,985.89 × 56,771.17
  4. Step 4: Simplify right side
    157,962.90x = 13,453,966,248.79
  5. Step 5: Solve for x
    x = 13,453,966,248.79/157,962.90
  6. Step 6: Final answer
    x = 85,171.68

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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.