Home / 107,137.90-147,840.36-59,387.19

Finding the Fourth Proportional to 107,137.90, 147,840.36 and 59,387.19

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Solution

The fourth proportional to 107,137.90, 147,840.36 and 59,387.19 is: 81,948.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,137.90 : 147,840.36 = 59,387.19 : x
  2. Step 2: Convert to fraction form
    107,137.90/147,840.36 = 59,387.19/x
  3. Step 3: Cross multiply
    107,137.90x = 147,840.36 × 59,387.19
  4. Step 4: Simplify right side
    107,137.90x = 8,779,823,548.99
  5. Step 5: Solve for x
    x = 8,779,823,548.99/107,137.90
  6. Step 6: Final answer
    x = 81,948.81

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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.