Home / 134,931.80-202,073.70-72,464.60

Finding the Fourth Proportional to 134,931.80, 202,073.70 and 72,464.60

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Solution

The fourth proportional to 134,931.80, 202,073.70 and 72,464.60 is: 108,522.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,931.80 : 202,073.70 = 72,464.60 : x
  2. Step 2: Convert to fraction form
    134,931.80/202,073.70 = 72,464.60/x
  3. Step 3: Cross multiply
    134,931.80x = 202,073.70 × 72,464.60
  4. Step 4: Simplify right side
    134,931.80x = 14,643,189,841.02
  5. Step 5: Solve for x
    x = 14,643,189,841.02/134,931.80
  6. Step 6: Final answer
    x = 108,522.90

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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.