Home / 121,875.60-182,813.40-106,323.60

Finding the Fourth Proportional to 121,875.60, 182,813.40 and 106,323.60

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Solution

The fourth proportional to 121,875.60, 182,813.40 and 106,323.60 is: 159,485.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,875.60 : 182,813.40 = 106,323.60 : x
  2. Step 2: Convert to fraction form
    121,875.60/182,813.40 = 106,323.60/x
  3. Step 3: Cross multiply
    121,875.60x = 182,813.40 × 106,323.60
  4. Step 4: Simplify right side
    121,875.60x = 19,437,378,816.24
  5. Step 5: Solve for x
    x = 19,437,378,816.24/121,875.60
  6. Step 6: Final answer
    x = 159,485.40

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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.