Home / 132,968.34-199,527-70,637.22

Finding the Fourth Proportional to 132,968.34, 199,527 and 70,637.22

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Solution

The fourth proportional to 132,968.34, 199,527 and 70,637.22 is: 105,995.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,968.34 : 199,527 = 70,637.22 : x
  2. Step 2: Convert to fraction form
    132,968.34/199,527 = 70,637.22/x
  3. Step 3: Cross multiply
    132,968.34x = 199,527 × 70,637.22
  4. Step 4: Simplify right side
    132,968.34x = 14,094,032,594.94
  5. Step 5: Solve for x
    x = 14,094,032,594.94/132,968.34
  6. Step 6: Final answer
    x = 105,995.40

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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.