Home / 157,613.88-236,109.78-118,215.48

Finding the Fourth Proportional to 157,613.88, 236,109.78 and 118,215.48

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Solution

The fourth proportional to 157,613.88, 236,109.78 and 118,215.48 is: 177,089.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,613.88 : 236,109.78 = 118,215.48 : x
  2. Step 2: Convert to fraction form
    157,613.88/236,109.78 = 118,215.48/x
  3. Step 3: Cross multiply
    157,613.88x = 236,109.78 × 118,215.48
  4. Step 4: Simplify right side
    157,613.88x = 27,911,830,975.39
  5. Step 5: Solve for x
    x = 27,911,830,975.39/157,613.88
  6. Step 6: Final answer
    x = 177,089.93

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1.5x scale

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.