Home / 134,430.10-201,645.15-113,434.90

Finding the Fourth Proportional to 134,430.10, 201,645.15 and 113,434.90

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Solution

The fourth proportional to 134,430.10, 201,645.15 and 113,434.90 is: 170,152.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,430.10 : 201,645.15 = 113,434.90 : x
  2. Step 2: Convert to fraction form
    134,430.10/201,645.15 = 113,434.90/x
  3. Step 3: Cross multiply
    134,430.10x = 201,645.15 × 113,434.90
  4. Step 4: Simplify right side
    134,430.10x = 22,873,597,425.74
  5. Step 5: Solve for x
    x = 22,873,597,425.74/134,430.10
  6. Step 6: Final answer
    x = 170,152.35

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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.