Home / 105,267.36-145,254.96-67,592.64

Finding the Fourth Proportional to 105,267.36, 145,254.96 and 67,592.64

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Solution

The fourth proportional to 105,267.36, 145,254.96 and 67,592.64 is: 93,268.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,267.36 : 145,254.96 = 67,592.64 : x
  2. Step 2: Convert to fraction form
    105,267.36/145,254.96 = 67,592.64/x
  3. Step 3: Cross multiply
    105,267.36x = 145,254.96 × 67,592.64
  4. Step 4: Simplify right side
    105,267.36x = 9,818,166,219.49
  5. Step 5: Solve for x
    x = 9,818,166,219.49/105,267.36
  6. Step 6: Final answer
    x = 93,268.86

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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.