Home / 178,191.72-245,904.12-97,619.40

Finding the Fourth Proportional to 178,191.72, 245,904.12 and 97,619.40

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Solution

The fourth proportional to 178,191.72, 245,904.12 and 97,619.40 is: 134,714.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,191.72 : 245,904.12 = 97,619.40 : x
  2. Step 2: Convert to fraction form
    178,191.72/245,904.12 = 97,619.40/x
  3. Step 3: Cross multiply
    178,191.72x = 245,904.12 × 97,619.40
  4. Step 4: Simplify right side
    178,191.72x = 24,005,012,651.93
  5. Step 5: Solve for x
    x = 24,005,012,651.93/178,191.72
  6. Step 6: Final answer
    x = 134,714.52

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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.