Home / 134,777.10-202,165.65-89,870.70

Finding the Fourth Proportional to 134,777.10, 202,165.65 and 89,870.70

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Solution

The fourth proportional to 134,777.10, 202,165.65 and 89,870.70 is: 134,806.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,777.10 : 202,165.65 = 89,870.70 : x
  2. Step 2: Convert to fraction form
    134,777.10/202,165.65 = 89,870.70/x
  3. Step 3: Cross multiply
    134,777.10x = 202,165.65 × 89,870.70
  4. Step 4: Simplify right side
    134,777.10x = 18,168,768,481.46
  5. Step 5: Solve for x
    x = 18,168,768,481.46/134,777.10
  6. Step 6: Final answer
    x = 134,806.05

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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.