Home / 113,421.57-170,132.35-34,535.79

Finding the Fourth Proportional to 113,421.57, 170,132.35 and 34,535.79

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Solution

The fourth proportional to 113,421.57, 170,132.35 and 34,535.79 is: 51,803.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,421.57 : 170,132.35 = 34,535.79 : x
  2. Step 2: Convert to fraction form
    113,421.57/170,132.35 = 34,535.79/x
  3. Step 3: Cross multiply
    113,421.57x = 170,132.35 × 34,535.79
  4. Step 4: Simplify right side
    113,421.57x = 5,875,655,568.72
  5. Step 5: Solve for x
    x = 5,875,655,568.72/113,421.57
  6. Step 6: Final answer
    x = 51,803.69

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1.5x scale

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.