Home / 157,225.48-216,975.30-85,608.52

Finding the Fourth Proportional to 157,225.48, 216,975.30 and 85,608.52

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Solution

The fourth proportional to 157,225.48, 216,975.30 and 85,608.52 is: 118,142.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,225.48 : 216,975.30 = 85,608.52 : x
  2. Step 2: Convert to fraction form
    157,225.48/216,975.30 = 85,608.52/x
  3. Step 3: Cross multiply
    157,225.48x = 216,975.30 × 85,608.52
  4. Step 4: Simplify right side
    157,225.48x = 18,574,934,309.56
  5. Step 5: Solve for x
    x = 18,574,934,309.56/157,225.48
  6. Step 6: Final answer
    x = 118,142.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.