Home / 212,823.83-293,707.75-117,330.30

Finding the Fourth Proportional to 212,823.83, 293,707.75 and 117,330.30

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Solution

The fourth proportional to 212,823.83, 293,707.75 and 117,330.30 is: 161,921.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,823.83 : 293,707.75 = 117,330.30 : x
  2. Step 2: Convert to fraction form
    212,823.83/293,707.75 = 117,330.30/x
  3. Step 3: Cross multiply
    212,823.83x = 293,707.75 × 117,330.30
  4. Step 4: Simplify right side
    212,823.83x = 34,460,818,419.83
  5. Step 5: Solve for x
    x = 34,460,818,419.83/212,823.83
  6. Step 6: Final answer
    x = 161,921.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.