Home / 564,897.12-847,345.20-144,172.96

Finding the Fourth Proportional to 564,897.12, 847,345.20 and 144,172.96

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Solution

The fourth proportional to 564,897.12, 847,345.20 and 144,172.96 is: 216,259.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,897.12 : 847,345.20 = 144,172.96 : x
  2. Step 2: Convert to fraction form
    564,897.12/847,345.20 = 144,172.96/x
  3. Step 3: Cross multiply
    564,897.12x = 847,345.20 × 144,172.96
  4. Step 4: Simplify right side
    564,897.12x = 122,164,265,625.79
  5. Step 5: Solve for x
    x = 122,164,265,625.79/564,897.12
  6. Step 6: Final answer
    x = 216,259.32

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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.