Home / 219,566.30-302,967.05-127,705.91

Finding the Fourth Proportional to 219,566.30, 302,967.05 and 127,705.91

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Solution

The fourth proportional to 219,566.30, 302,967.05 and 127,705.91 is: 176,214.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,566.30 : 302,967.05 = 127,705.91 : x
  2. Step 2: Convert to fraction form
    219,566.30/302,967.05 = 127,705.91/x
  3. Step 3: Cross multiply
    219,566.30x = 302,967.05 × 127,705.91
  4. Step 4: Simplify right side
    219,566.30x = 38,690,680,666.90
  5. Step 5: Solve for x
    x = 38,690,680,666.90/219,566.30
  6. Step 6: Final answer
    x = 176,214.12

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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.