Home / 173,074.84-235,639.28-172,541.72

Finding the Fourth Proportional to 173,074.84, 235,639.28 and 172,541.72

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Solution

The fourth proportional to 173,074.84, 235,639.28 and 172,541.72 is: 234,913.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,074.84 : 235,639.28 = 172,541.72 : x
  2. Step 2: Convert to fraction form
    173,074.84/235,639.28 = 172,541.72/x
  3. Step 3: Cross multiply
    173,074.84x = 235,639.28 × 172,541.72
  4. Step 4: Simplify right side
    173,074.84x = 40,657,606,670.76
  5. Step 5: Solve for x
    x = 40,657,606,670.76/173,074.84
  6. Step 6: Final answer
    x = 234,913.44

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.