Home / 145,204.84-217,772.70-40,032.28

Finding the Fourth Proportional to 145,204.84, 217,772.70 and 40,032.28

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Solution

The fourth proportional to 145,204.84, 217,772.70 and 40,032.28 is: 60,038.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,204.84 : 217,772.70 = 40,032.28 : x
  2. Step 2: Convert to fraction form
    145,204.84/217,772.70 = 40,032.28/x
  3. Step 3: Cross multiply
    145,204.84x = 217,772.70 × 40,032.28
  4. Step 4: Simplify right side
    145,204.84x = 8,717,937,702.76
  5. Step 5: Solve for x
    x = 8,717,937,702.76/145,204.84
  6. Step 6: Final answer
    x = 60,038.89

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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.