Home / 106,567.55-147,116.45-66,294.40

Finding the Fourth Proportional to 106,567.55, 147,116.45 and 66,294.40

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Solution

The fourth proportional to 106,567.55, 147,116.45 and 66,294.40 is: 91,519.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,567.55 : 147,116.45 = 66,294.40 : x
  2. Step 2: Convert to fraction form
    106,567.55/147,116.45 = 66,294.40/x
  3. Step 3: Cross multiply
    106,567.55x = 147,116.45 × 66,294.40
  4. Step 4: Simplify right side
    106,567.55x = 9,752,996,782.88
  5. Step 5: Solve for x
    x = 9,752,996,782.88/106,567.55
  6. Step 6: Final answer
    x = 91,519.39

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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.