Home / 283,607.60-391,377.69-156,283.16

Finding the Fourth Proportional to 283,607.60, 391,377.69 and 156,283.16

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Solution

The fourth proportional to 283,607.60, 391,377.69 and 156,283.16 is: 215,670.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,607.60 : 391,377.69 = 156,283.16 : x
  2. Step 2: Convert to fraction form
    283,607.60/391,377.69 = 156,283.16/x
  3. Step 3: Cross multiply
    283,607.60x = 391,377.69 × 156,283.16
  4. Step 4: Simplify right side
    283,607.60x = 61,165,740,189.81
  5. Step 5: Solve for x
    x = 61,165,740,189.81/283,607.60
  6. Step 6: Final answer
    x = 215,670.32

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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.