Home / 282,600.08-389,762.36-185,903.20

Finding the Fourth Proportional to 282,600.08, 389,762.36 and 185,903.20

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Solution

The fourth proportional to 282,600.08, 389,762.36 and 185,903.20 is: 256,397.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,600.08 : 389,762.36 = 185,903.20 : x
  2. Step 2: Convert to fraction form
    282,600.08/389,762.36 = 185,903.20/x
  3. Step 3: Cross multiply
    282,600.08x = 389,762.36 × 185,903.20
  4. Step 4: Simplify right side
    282,600.08x = 72,458,069,963.55
  5. Step 5: Solve for x
    x = 72,458,069,963.55/282,600.08
  6. Step 6: Final answer
    x = 256,397.91

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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.