Home / 157,860.80-236,445.60-140,350.40

Finding the Fourth Proportional to 157,860.80, 236,445.60 and 140,350.40

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Solution

The fourth proportional to 157,860.80, 236,445.60 and 140,350.40 is: 210,218.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,860.80 : 236,445.60 = 140,350.40 : x
  2. Step 2: Convert to fraction form
    157,860.80/236,445.60 = 140,350.40/x
  3. Step 3: Cross multiply
    157,860.80x = 236,445.60 × 140,350.40
  4. Step 4: Simplify right side
    157,860.80x = 33,185,234,538.24
  5. Step 5: Solve for x
    x = 33,185,234,538.24/157,860.80
  6. Step 6: Final answer
    x = 210,218.34

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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.