Home / 194,995.20-292,492.80-76,670.40

Finding the Fourth Proportional to 194,995.20, 292,492.80 and 76,670.40

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Solution

The fourth proportional to 194,995.20, 292,492.80 and 76,670.40 is: 115,005.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,995.20 : 292,492.80 = 76,670.40 : x
  2. Step 2: Convert to fraction form
    194,995.20/292,492.80 = 76,670.40/x
  3. Step 3: Cross multiply
    194,995.20x = 292,492.80 × 76,670.40
  4. Step 4: Simplify right side
    194,995.20x = 22,425,539,973.12
  5. Step 5: Solve for x
    x = 22,425,539,973.12/194,995.20
  6. Step 6: Final answer
    x = 115,005.60

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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.