Home / 147,787.60-221,681.40-103,464.40

Finding the Fourth Proportional to 147,787.60, 221,681.40 and 103,464.40

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Solution

The fourth proportional to 147,787.60, 221,681.40 and 103,464.40 is: 155,196.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,787.60 : 221,681.40 = 103,464.40 : x
  2. Step 2: Convert to fraction form
    147,787.60/221,681.40 = 103,464.40/x
  3. Step 3: Cross multiply
    147,787.60x = 221,681.40 × 103,464.40
  4. Step 4: Simplify right side
    147,787.60x = 22,936,133,042.16
  5. Step 5: Solve for x
    x = 22,936,133,042.16/147,787.60
  6. Step 6: Final answer
    x = 155,196.60

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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.