Home / 190,630.84-263,066.46-118,014.40

Finding the Fourth Proportional to 190,630.84, 263,066.46 and 118,014.40

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Solution

The fourth proportional to 190,630.84, 263,066.46 and 118,014.40 is: 162,857.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,630.84 : 263,066.46 = 118,014.40 : x
  2. Step 2: Convert to fraction form
    190,630.84/263,066.46 = 118,014.40/x
  3. Step 3: Cross multiply
    190,630.84x = 263,066.46 × 118,014.40
  4. Step 4: Simplify right side
    190,630.84x = 31,045,630,437.02
  5. Step 5: Solve for x
    x = 31,045,630,437.02/190,630.84
  6. Step 6: Final answer
    x = 162,857.33

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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.