Home / 157,504.10-236,256.15-118,138.10

Finding the Fourth Proportional to 157,504.10, 236,256.15 and 118,138.10

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Solution

The fourth proportional to 157,504.10, 236,256.15 and 118,138.10 is: 177,207.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,504.10 : 236,256.15 = 118,138.10 : x
  2. Step 2: Convert to fraction form
    157,504.10/236,256.15 = 118,138.10/x
  3. Step 3: Cross multiply
    157,504.10x = 236,256.15 × 118,138.10
  4. Step 4: Simplify right side
    157,504.10x = 27,910,852,674.32
  5. Step 5: Solve for x
    x = 27,910,852,674.32/157,504.10
  6. Step 6: Final answer
    x = 177,207.15

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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.