Home / 147,895.08-221,810.04-42,691.20

Finding the Fourth Proportional to 147,895.08, 221,810.04 and 42,691.20

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Solution

The fourth proportional to 147,895.08, 221,810.04 and 42,691.20 is: 64,027.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,895.08 : 221,810.04 = 42,691.20 : x
  2. Step 2: Convert to fraction form
    147,895.08/221,810.04 = 42,691.20/x
  3. Step 3: Cross multiply
    147,895.08x = 221,810.04 × 42,691.20
  4. Step 4: Simplify right side
    147,895.08x = 9,469,336,779.65
  5. Step 5: Solve for x
    x = 9,469,336,779.65/147,895.08
  6. Step 6: Final answer
    x = 64,027.40

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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.