Home / 157,070.35-216,659.88-136,975.46

Finding the Fourth Proportional to 157,070.35, 216,659.88 and 136,975.46

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Solution

The fourth proportional to 157,070.35, 216,659.88 and 136,975.46 is: 188,941.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,070.35 : 216,659.88 = 136,975.46 : x
  2. Step 2: Convert to fraction form
    157,070.35/216,659.88 = 136,975.46/x
  3. Step 3: Cross multiply
    157,070.35x = 216,659.88 × 136,975.46
  4. Step 4: Simplify right side
    157,070.35x = 29,677,087,781.85
  5. Step 5: Solve for x
    x = 29,677,087,781.85/157,070.35
  6. Step 6: Final answer
    x = 188,941.38

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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.