Home / 159,435.90-220,037.07-119,079.60

Finding the Fourth Proportional to 159,435.90, 220,037.07 and 119,079.60

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Solution

The fourth proportional to 159,435.90, 220,037.07 and 119,079.60 is: 164,341.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,435.90 : 220,037.07 = 119,079.60 : x
  2. Step 2: Convert to fraction form
    159,435.90/220,037.07 = 119,079.60/x
  3. Step 3: Cross multiply
    159,435.90x = 220,037.07 × 119,079.60
  4. Step 4: Simplify right side
    159,435.90x = 26,201,926,280.77
  5. Step 5: Solve for x
    x = 26,201,926,280.77/159,435.90
  6. Step 6: Final answer
    x = 164,341.45

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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.