Home / 118,575.04-163,674.72-68,294.08

Finding the Fourth Proportional to 118,575.04, 163,674.72 and 68,294.08

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Solution

The fourth proportional to 118,575.04, 163,674.72 and 68,294.08 is: 94,269.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,575.04 : 163,674.72 = 68,294.08 : x
  2. Step 2: Convert to fraction form
    118,575.04/163,674.72 = 68,294.08/x
  3. Step 3: Cross multiply
    118,575.04x = 163,674.72 × 68,294.08
  4. Step 4: Simplify right side
    118,575.04x = 11,178,014,421.66
  5. Step 5: Solve for x
    x = 11,178,014,421.66/118,575.04
  6. Step 6: Final answer
    x = 94,269.54

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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.