Home / 170,721.60-256,082.40-59,913.60

Finding the Fourth Proportional to 170,721.60, 256,082.40 and 59,913.60

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Solution

The fourth proportional to 170,721.60, 256,082.40 and 59,913.60 is: 89,870.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,721.60 : 256,082.40 = 59,913.60 : x
  2. Step 2: Convert to fraction form
    170,721.60/256,082.40 = 59,913.60/x
  3. Step 3: Cross multiply
    170,721.60x = 256,082.40 × 59,913.60
  4. Step 4: Simplify right side
    170,721.60x = 15,342,818,480.64
  5. Step 5: Solve for x
    x = 15,342,818,480.64/170,721.60
  6. Step 6: Final answer
    x = 89,870.40

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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.