Home / 157,612.88-236,108.28-118,214.48

Finding the Fourth Proportional to 157,612.88, 236,108.28 and 118,214.48

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Solution

The fourth proportional to 157,612.88, 236,108.28 and 118,214.48 is: 177,088.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,612.88 : 236,108.28 = 118,214.48 : x
  2. Step 2: Convert to fraction form
    157,612.88/236,108.28 = 118,214.48/x
  3. Step 3: Cross multiply
    157,612.88x = 236,108.28 × 118,214.48
  4. Step 4: Simplify right side
    157,612.88x = 27,911,417,543.89
  5. Step 5: Solve for x
    x = 27,911,417,543.89/157,612.88
  6. Step 6: Final answer
    x = 177,088.43

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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.