Home / 283,746.60-391,572.93-156,426.75

Finding the Fourth Proportional to 283,746.60, 391,572.93 and 156,426.75

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Solution

The fourth proportional to 283,746.60, 391,572.93 and 156,426.75 is: 215,870.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,746.60 : 391,572.93 = 156,426.75 : x
  2. Step 2: Convert to fraction form
    283,746.60/391,572.93 = 156,426.75/x
  3. Step 3: Cross multiply
    283,746.60x = 391,572.93 × 156,426.75
  4. Step 4: Simplify right side
    283,746.60x = 61,252,480,827.88
  5. Step 5: Solve for x
    x = 61,252,480,827.88/283,746.60
  6. Step 6: Final answer
    x = 215,870.36

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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.