Home / 124,827.40-187,241.10-118,412.20

Finding the Fourth Proportional to 124,827.40, 187,241.10 and 118,412.20

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Solution

The fourth proportional to 124,827.40, 187,241.10 and 118,412.20 is: 177,618.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,827.40 : 187,241.10 = 118,412.20 : x
  2. Step 2: Convert to fraction form
    124,827.40/187,241.10 = 118,412.20/x
  3. Step 3: Cross multiply
    124,827.40x = 187,241.10 × 118,412.20
  4. Step 4: Simplify right side
    124,827.40x = 22,171,630,581.42
  5. Step 5: Solve for x
    x = 22,171,630,581.42/124,827.40
  6. Step 6: Final answer
    x = 177,618.30

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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.