Home / 106,445.75-146,898.53-61,132.94

Finding the Fourth Proportional to 106,445.75, 146,898.53 and 61,132.94

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Solution

The fourth proportional to 106,445.75, 146,898.53 and 61,132.94 is: 84,365.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,445.75 : 146,898.53 = 61,132.94 : x
  2. Step 2: Convert to fraction form
    106,445.75/146,898.53 = 61,132.94/x
  3. Step 3: Cross multiply
    106,445.75x = 146,898.53 × 61,132.94
  4. Step 4: Simplify right side
    106,445.75x = 8,980,337,980.42
  5. Step 5: Solve for x
    x = 8,980,337,980.42/106,445.75
  6. Step 6: Final answer
    x = 84,365.40

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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.