Home / 106,455.90-159,683.85-97,854.30

Finding the Fourth Proportional to 106,455.90, 159,683.85 and 97,854.30

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Solution

The fourth proportional to 106,455.90, 159,683.85 and 97,854.30 is: 146,781.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,455.90 : 159,683.85 = 97,854.30 : x
  2. Step 2: Convert to fraction form
    106,455.90/159,683.85 = 97,854.30/x
  3. Step 3: Cross multiply
    106,455.90x = 159,683.85 × 97,854.30
  4. Step 4: Simplify right side
    106,455.90x = 15,625,751,363.06
  5. Step 5: Solve for x
    x = 15,625,751,363.06/106,455.90
  6. Step 6: Final answer
    x = 146,781.45

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1.5x scale

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.