Home / 195,856.40-293,881.80-111,681.20

Finding the Fourth Proportional to 195,856.40, 293,881.80 and 111,681.20

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Solution

The fourth proportional to 195,856.40, 293,881.80 and 111,681.20 is: 167,577.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,856.40 : 293,881.80 = 111,681.20 : x
  2. Step 2: Convert to fraction form
    195,856.40/293,881.80 = 111,681.20/x
  3. Step 3: Cross multiply
    195,856.40x = 293,881.80 × 111,681.20
  4. Step 4: Simplify right side
    195,856.40x = 32,821,072,082.16
  5. Step 5: Solve for x
    x = 32,821,072,082.16/195,856.40
  6. Step 6: Final answer
    x = 167,577.23

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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.