Home / 124,139.34-171,315.90-67,554.36

Finding the Fourth Proportional to 124,139.34, 171,315.90 and 67,554.36

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Solution

The fourth proportional to 124,139.34, 171,315.90 and 67,554.36 is: 93,226.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,139.34 : 171,315.90 = 67,554.36 : x
  2. Step 2: Convert to fraction form
    124,139.34/171,315.90 = 67,554.36/x
  3. Step 3: Cross multiply
    124,139.34x = 171,315.90 × 67,554.36
  4. Step 4: Simplify right side
    124,139.34x = 11,573,135,982.32
  5. Step 5: Solve for x
    x = 11,573,135,982.32/124,139.34
  6. Step 6: Final answer
    x = 93,226.98

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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.