Home / 113,878.88-157,025.04-73,539.68

Finding the Fourth Proportional to 113,878.88, 157,025.04 and 73,539.68

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Solution

The fourth proportional to 113,878.88, 157,025.04 and 73,539.68 is: 101,402.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,878.88 : 157,025.04 = 73,539.68 : x
  2. Step 2: Convert to fraction form
    113,878.88/157,025.04 = 73,539.68/x
  3. Step 3: Cross multiply
    113,878.88x = 157,025.04 × 73,539.68
  4. Step 4: Simplify right side
    113,878.88x = 11,547,571,193.59
  5. Step 5: Solve for x
    x = 11,547,571,193.59/113,878.88
  6. Step 6: Final answer
    x = 101,402.22

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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.