Home / 157,854.80-236,436.60-140,344.40

Finding the Fourth Proportional to 157,854.80, 236,436.60 and 140,344.40

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Solution

The fourth proportional to 157,854.80, 236,436.60 and 140,344.40 is: 210,209.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,854.80 : 236,436.60 = 140,344.40 : x
  2. Step 2: Convert to fraction form
    157,854.80/236,436.60 = 140,344.40/x
  3. Step 3: Cross multiply
    157,854.80x = 236,436.60 × 140,344.40
  4. Step 4: Simplify right side
    157,854.80x = 33,182,552,765.04
  5. Step 5: Solve for x
    x = 33,182,552,765.04/157,854.80
  6. Step 6: Final answer
    x = 210,209.34

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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.