Home / 157,316.20-235,628.70-136,580.20

Finding the Fourth Proportional to 157,316.20, 235,628.70 and 136,580.20

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Solution

The fourth proportional to 157,316.20, 235,628.70 and 136,580.20 is: 204,570.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,316.20 : 235,628.70 = 136,580.20 : x
  2. Step 2: Convert to fraction form
    157,316.20/235,628.70 = 136,580.20/x
  3. Step 3: Cross multiply
    157,316.20x = 235,628.70 × 136,580.20
  4. Step 4: Simplify right side
    157,316.20x = 32,182,214,971.74
  5. Step 5: Solve for x
    x = 32,182,214,971.74/157,316.20
  6. Step 6: Final answer
    x = 204,570.25

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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.