Home / 113,458.40-170,187.60-54,280.16

Finding the Fourth Proportional to 113,458.40, 170,187.60 and 54,280.16

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Solution

The fourth proportional to 113,458.40, 170,187.60 and 54,280.16 is: 81,420.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,458.40 : 170,187.60 = 54,280.16 : x
  2. Step 2: Convert to fraction form
    113,458.40/170,187.60 = 54,280.16/x
  3. Step 3: Cross multiply
    113,458.40x = 170,187.60 × 54,280.16
  4. Step 4: Simplify right side
    113,458.40x = 9,237,810,158.02
  5. Step 5: Solve for x
    x = 9,237,810,158.02/113,458.40
  6. Step 6: Final answer
    x = 81,420.24

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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.