Home / 283,790.04-391,622.76-156,462.36

Finding the Fourth Proportional to 283,790.04, 391,622.76 and 156,462.36

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Solution

The fourth proportional to 283,790.04, 391,622.76 and 156,462.36 is: 215,913.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,790.04 : 391,622.76 = 156,462.36 : x
  2. Step 2: Convert to fraction form
    283,790.04/391,622.76 = 156,462.36/x
  3. Step 3: Cross multiply
    283,790.04x = 391,622.76 × 156,462.36
  4. Step 4: Simplify right side
    283,790.04x = 61,274,221,259.31
  5. Step 5: Solve for x
    x = 61,274,221,259.31/283,790.04
  6. Step 6: Final answer
    x = 215,913.92

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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.