Home / 157,220.10-235,830.20-52,047.27

Finding the Fourth Proportional to 157,220.10, 235,830.20 and 52,047.27

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Solution

The fourth proportional to 157,220.10, 235,830.20 and 52,047.27 is: 78,070.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,220.10 : 235,830.20 = 52,047.27 : x
  2. Step 2: Convert to fraction form
    157,220.10/235,830.20 = 52,047.27/x
  3. Step 3: Cross multiply
    157,220.10x = 235,830.20 × 52,047.27
  4. Step 4: Simplify right side
    157,220.10x = 12,274,317,833.32
  5. Step 5: Solve for x
    x = 12,274,317,833.32/157,220.10
  6. Step 6: Final answer
    x = 78,070.92

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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.