Home / 278,661.36-384,712.08-183,444.85

Finding the Fourth Proportional to 278,661.36, 384,712.08 and 183,444.85

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Solution

The fourth proportional to 278,661.36, 384,712.08 and 183,444.85 is: 253,258.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,661.36 : 384,712.08 = 183,444.85 : x
  2. Step 2: Convert to fraction form
    278,661.36/384,712.08 = 183,444.85/x
  3. Step 3: Cross multiply
    278,661.36x = 384,712.08 × 183,444.85
  4. Step 4: Simplify right side
    278,661.36x = 70,573,447,885.23
  5. Step 5: Solve for x
    x = 70,573,447,885.23/278,661.36
  6. Step 6: Final answer
    x = 253,258.82

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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.