Home / 178,482.18-267,637.08-103,621.17

Finding the Fourth Proportional to 178,482.18, 267,637.08 and 103,621.17

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Solution

The fourth proportional to 178,482.18, 267,637.08 and 103,621.17 is: 155,381.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,482.18 : 267,637.08 = 103,621.17 : x
  2. Step 2: Convert to fraction form
    178,482.18/267,637.08 = 103,621.17/x
  3. Step 3: Cross multiply
    178,482.18x = 267,637.08 × 103,621.17
  4. Step 4: Simplify right side
    178,482.18x = 27,732,867,364.98
  5. Step 5: Solve for x
    x = 27,732,867,364.98/178,482.18
  6. Step 6: Final answer
    x = 155,381.72

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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.