Home / 236,430.90-354,063.15-157,115.70

Finding the Fourth Proportional to 236,430.90, 354,063.15 and 157,115.70

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Solution

The fourth proportional to 236,430.90, 354,063.15 and 157,115.70 is: 235,286.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,430.90 : 354,063.15 = 157,115.70 : x
  2. Step 2: Convert to fraction form
    236,430.90/354,063.15 = 157,115.70/x
  3. Step 3: Cross multiply
    236,430.90x = 354,063.15 × 157,115.70
  4. Step 4: Simplify right side
    236,430.90x = 55,628,879,656.46
  5. Step 5: Solve for x
    x = 55,628,879,656.46/236,430.90
  6. Step 6: Final answer
    x = 235,286.00

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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.