Home / 283,032.54-390,587.45-153,973.83

Finding the Fourth Proportional to 283,032.54, 390,587.45 and 153,973.83

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Solution

The fourth proportional to 283,032.54, 390,587.45 and 153,973.83 is: 212,485.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,032.54 : 390,587.45 = 153,973.83 : x
  2. Step 2: Convert to fraction form
    283,032.54/390,587.45 = 153,973.83/x
  3. Step 3: Cross multiply
    283,032.54x = 390,587.45 × 153,973.83
  4. Step 4: Simplify right side
    283,032.54x = 60,140,245,626.43
  5. Step 5: Solve for x
    x = 60,140,245,626.43/283,032.54
  6. Step 6: Final answer
    x = 212,485.27

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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.