Home / 253,093.16-349,337.86-157,543.13

Finding the Fourth Proportional to 253,093.16, 349,337.86 and 157,543.13

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Solution

The fourth proportional to 253,093.16, 349,337.86 and 157,543.13 is: 217,452.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,093.16 : 349,337.86 = 157,543.13 : x
  2. Step 2: Convert to fraction form
    253,093.16/349,337.86 = 157,543.13/x
  3. Step 3: Cross multiply
    253,093.16x = 349,337.86 × 157,543.13
  4. Step 4: Simplify right side
    253,093.16x = 55,035,778,145.21
  5. Step 5: Solve for x
    x = 55,035,778,145.21/253,093.16
  6. Step 6: Final answer
    x = 217,452.65

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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.