Home / 157,894.86-236,638.17-118,140.06

Finding the Fourth Proportional to 157,894.86, 236,638.17 and 118,140.06

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Solution

The fourth proportional to 157,894.86, 236,638.17 and 118,140.06 is: 177,057.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,894.86 : 236,638.17 = 118,140.06 : x
  2. Step 2: Convert to fraction form
    157,894.86/236,638.17 = 118,140.06/x
  3. Step 3: Cross multiply
    157,894.86x = 236,638.17 × 118,140.06
  4. Step 4: Simplify right side
    157,894.86x = 27,956,447,602.09
  5. Step 5: Solve for x
    x = 27,956,447,602.09/157,894.86
  6. Step 6: Final answer
    x = 177,057.36

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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.