Home / 130,167.90-195,028.95-71,045.06

Finding the Fourth Proportional to 130,167.90, 195,028.95 and 71,045.06

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Solution

The fourth proportional to 130,167.90, 195,028.95 and 71,045.06 is: 106,445.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,167.90 : 195,028.95 = 71,045.06 : x
  2. Step 2: Convert to fraction form
    130,167.90/195,028.95 = 71,045.06/x
  3. Step 3: Cross multiply
    130,167.90x = 195,028.95 × 71,045.06
  4. Step 4: Simplify right side
    130,167.90x = 13,855,842,479.34
  5. Step 5: Solve for x
    x = 13,855,842,479.34/130,167.90
  6. Step 6: Final answer
    x = 106,445.92

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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.