Home / 189,088.07-260,947.01-104,210.60

Finding the Fourth Proportional to 189,088.07, 260,947.01 and 104,210.60

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Solution

The fourth proportional to 189,088.07, 260,947.01 and 104,210.60 is: 143,813.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,088.07 : 260,947.01 = 104,210.60 : x
  2. Step 2: Convert to fraction form
    189,088.07/260,947.01 = 104,210.60/x
  3. Step 3: Cross multiply
    189,088.07x = 260,947.01 × 104,210.60
  4. Step 4: Simplify right side
    189,088.07x = 27,193,443,959.25
  5. Step 5: Solve for x
    x = 27,193,443,959.25/189,088.07
  6. Step 6: Final answer
    x = 143,813.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.