Home / 106,117.32-146,445.81-58,374.30

Finding the Fourth Proportional to 106,117.32, 146,445.81 and 58,374.30

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Solution

The fourth proportional to 106,117.32, 146,445.81 and 58,374.30 is: 80,558.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,117.32 : 146,445.81 = 58,374.30 : x
  2. Step 2: Convert to fraction form
    106,117.32/146,445.81 = 58,374.30/x
  3. Step 3: Cross multiply
    106,117.32x = 146,445.81 × 58,374.30
  4. Step 4: Simplify right side
    106,117.32x = 8,548,671,646.68
  5. Step 5: Solve for x
    x = 8,548,671,646.68/106,117.32
  6. Step 6: Final answer
    x = 80,558.68

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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.