Home / 209,558.04-289,182.07-118,908.60

Finding the Fourth Proportional to 209,558.04, 289,182.07 and 118,908.60

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Solution

The fourth proportional to 209,558.04, 289,182.07 and 118,908.60 is: 164,089.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,558.04 : 289,182.07 = 118,908.60 : x
  2. Step 2: Convert to fraction form
    209,558.04/289,182.07 = 118,908.60/x
  3. Step 3: Cross multiply
    209,558.04x = 289,182.07 × 118,908.60
  4. Step 4: Simplify right side
    209,558.04x = 34,386,234,153.01
  5. Step 5: Solve for x
    x = 34,386,234,153.01/209,558.04
  6. Step 6: Final answer
    x = 164,089.31

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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.