Home / 106,430.10-146,880.15-58,683.39

Finding the Fourth Proportional to 106,430.10, 146,880.15 and 58,683.39

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Solution

The fourth proportional to 106,430.10, 146,880.15 and 58,683.39 is: 80,986.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,430.10 : 146,880.15 = 58,683.39 : x
  2. Step 2: Convert to fraction form
    106,430.10/146,880.15 = 58,683.39/x
  3. Step 3: Cross multiply
    106,430.10x = 146,880.15 × 58,683.39
  4. Step 4: Simplify right side
    106,430.10x = 8,619,425,125.71
  5. Step 5: Solve for x
    x = 8,619,425,125.71/106,430.10
  6. Step 6: Final answer
    x = 80,986.72

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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.