Home / 278,395.33-384,186.60-151,070.93

Finding the Fourth Proportional to 278,395.33, 384,186.60 and 151,070.93

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Solution

The fourth proportional to 278,395.33, 384,186.60 and 151,070.93 is: 208,478.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,395.33 : 384,186.60 = 151,070.93 : x
  2. Step 2: Convert to fraction form
    278,395.33/384,186.60 = 151,070.93/x
  3. Step 3: Cross multiply
    278,395.33x = 384,186.60 × 151,070.93
  4. Step 4: Simplify right side
    278,395.33x = 58,039,427,916.00
  5. Step 5: Solve for x
    x = 58,039,427,916.00/278,395.33
  6. Step 6: Final answer
    x = 208,478.46

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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.