Home / 272,957.32-376,681.86-158,258.20

Finding the Fourth Proportional to 272,957.32, 376,681.86 and 158,258.20

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Solution

The fourth proportional to 272,957.32, 376,681.86 and 158,258.20 is: 218,396.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,957.32 : 376,681.86 = 158,258.20 : x
  2. Step 2: Convert to fraction form
    272,957.32/376,681.86 = 158,258.20/x
  3. Step 3: Cross multiply
    272,957.32x = 376,681.86 × 158,258.20
  4. Step 4: Simplify right side
    272,957.32x = 59,612,993,136.25
  5. Step 5: Solve for x
    x = 59,612,993,136.25/272,957.32
  6. Step 6: Final answer
    x = 218,396.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.