Home / 157,720.59-236,583.32-52,539.66

Finding the Fourth Proportional to 157,720.59, 236,583.32 and 52,539.66

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Solution

The fourth proportional to 157,720.59, 236,583.32 and 52,539.66 is: 78,810.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,720.59 : 236,583.32 = 52,539.66 : x
  2. Step 2: Convert to fraction form
    157,720.59/236,583.32 = 52,539.66/x
  3. Step 3: Cross multiply
    157,720.59x = 236,583.32 × 52,539.66
  4. Step 4: Simplify right side
    157,720.59x = 12,430,006,931.77
  5. Step 5: Solve for x
    x = 12,430,006,931.77/157,720.59
  6. Step 6: Final answer
    x = 78,810.30

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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.